20028524880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{1117}}^1$

素因数の和:1974

約数の個数: 320

約数和(自身を含む): 76578098688

約数和(自身を除く): 56549573808

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 821, 840, 910, 1040, 1092, 1117, 1365, 1456, 1560, 1642, 1680, 1820, 2184, 2234, 2463, 2730, 3120, 3284, 3351, 3640, 4105, 4368, 4468, 4926, 5460, 5585, 5747, 6568, 6702, 7280, 7819, 8210, 8936, 9852, 10673, 10920, 11170, 11494, 12315, 13136, 13404, 14521, 15638, 16420, 16755, 17241, 17872, 19704, 21346, 21840, 22340, 22988, 23457, 24630, 26808, 28735, 29042, 31276, 32019, 32840, 33510, 34482, 39095, 39408, 42692, 43563, 44680, 45976, 46914, 49260, 53365, 53616, 57470, 58084, 62552, 64038, 65680, 67020, 68964, 72605, 74711, 78190, 85384, 86205, 87126, 89360, 91952, 93828, 98520, 101647, 106730, 114940, 116168, 117285, 125104, 128076, 134040, 137928, 145210, 149422, 156380, 160095, 170768, 172410, 174252, 187656, 197040, 203294, 213460, 217815, 224133, 229880, 232336, 234570, 256152, 268080, 275856, 290420, 298844, 304941, 312760, 320190, 344820, 348504, 373555, 375312, 406588, 426920, 435630, 448266, 459760, 469140, 508235, 512304, 580840, 597688, 609882, 625520, 640380, 689640, 697008, 747110, 813176, 853840, 871260, 896532, 917057, 938280, 1016470, 1120665, 1161680, 1195376, 1219764, 1280760, 1379280, 1494220, 1524705, 1626352, 1742520, 1793064, 1834114, 1876560, 2032940, 2241330, 2439528, 2561520, 2751171, 2988440, 3049410, 3485040, 3586128, 3668228, 4065880, 4482660, 4585285, 4879056, 5502342, 5976880, 6098820, 6419399, 7336456, 8131760, 8965320, 9170570, 11004684, 11921741, 12197640, 12838798, 13755855, 14672912, 17930640, 18341140, 19258197, 22009368, 23843482, 24395280, 25677596, 27511710, 32096995, 35765223, 36682280, 38516394, 44018736, 47686964, 51355192, 55023420, 59608705, 64193990, 71530446, 73364560, 77032788, 83452187, 95373928, 96290985, 102710384, 110046840, 119217410, 128387980, 143060892, 154065576, 166904374, 178826115, 190747856, 192581970, 220093680, 238434820, 250356561, 256775960, 286121784, 308131152, 333808748, 357652230, 385163940, 417260935, 476869640, 500713122, 513551920, 572243568, 667617496, 715304460, 770327880, 834521870, 953739280, 1001426244, 1251782805, 1335234992, 1430608920, 1540655760, 1669043740, 2002852488, 2503565610, 2861217840, 3338087480, 4005704976, 5007131220, 6676174960, 10014262440, 20028524880]

約数ペア:

[(1, 20028524880), (2, 10014262440), (3, 6676174960), (4, 5007131220), (5, 4005704976), (6, 3338087480), (7, 2861217840), (8, 2503565610), (10, 2002852488), (12, 1669043740), (13, 1540655760), (14, 1430608920), (15, 1335234992), (16, 1251782805), (20, 1001426244), (21, 953739280), (24, 834521870), (26, 770327880), (28, 715304460), (30, 667617496), (35, 572243568), (39, 513551920), (40, 500713122), (42, 476869640), (48, 417260935), (52, 385163940), (56, 357652230), (60, 333808748), (65, 308131152), (70, 286121784), (78, 256775960), (80, 250356561), (84, 238434820), (91, 220093680), (104, 192581970), (105, 190747856), (112, 178826115), (120, 166904374), (130, 154065576), (140, 143060892), (156, 128387980), (168, 119217410), (182, 110046840), (195, 102710384), (208, 96290985), (210, 95373928), (240, 83452187), (260, 77032788), (273, 73364560), (280, 71530446), (312, 64193990), (336, 59608705), (364, 55023420), (390, 51355192), (420, 47686964), (455, 44018736), (520, 38516394), (546, 36682280), (560, 35765223), (624, 32096995), (728, 27511710), (780, 25677596), (821, 24395280), (840, 23843482), (910, 22009368), (1040, 19258197), (1092, 18341140), (1117, 17930640), (1365, 14672912), (1456, 13755855), (1560, 12838798), (1642, 12197640), (1680, 11921741), (1820, 11004684), (2184, 9170570), (2234, 8965320), (2463, 8131760), (2730, 7336456), (3120, 6419399), (3284, 6098820), (3351, 5976880), (3640, 5502342), (4105, 4879056), (4368, 4585285), (4468, 4482660), (4926, 4065880), (5460, 3668228), (5585, 3586128), (5747, 3485040), (6568, 3049410), (6702, 2988440), (7280, 2751171), (7819, 2561520), (8210, 2439528), (8936, 2241330), (9852, 2032940), (10673, 1876560), (10920, 1834114), (11170, 1793064), (11494, 1742520), (12315, 1626352), (13136, 1524705), (13404, 1494220), (14521, 1379280), (15638, 1280760), (16420, 1219764), (16755, 1195376), (17241, 1161680), (17872, 1120665), (19704, 1016470), (21346, 938280), (21840, 917057), (22340, 896532), (22988, 871260), (23457, 853840), (24630, 813176), (26808, 747110), (28735, 697008), (29042, 689640), (31276, 640380), (32019, 625520), (32840, 609882), (33510, 597688), (34482, 580840), (39095, 512304), (39408, 508235), (42692, 469140), (43563, 459760), (44680, 448266), (45976, 435630), (46914, 426920), (49260, 406588), (53365, 375312), (53616, 373555), (57470, 348504), (58084, 344820), (62552, 320190), (64038, 312760), (65680, 304941), (67020, 298844), (68964, 290420), (72605, 275856), (74711, 268080), (78190, 256152), (85384, 234570), (86205, 232336), (87126, 229880), (89360, 224133), (91952, 217815), (93828, 213460), (98520, 203294), (101647, 197040), (106730, 187656), (114940, 174252), (116168, 172410), (117285, 170768), (125104, 160095), (128076, 156380), (134040, 149422), (137928, 145210)]