20253240

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:96

約数の個数: 320

約数和(自身を含む): 83635200

約数和(自身を除く): 63381960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 47, 54, 56, 57, 60, 63, 70, 72, 76, 81, 84, 90, 94, 95, 105, 108, 114, 120, 126, 133, 135, 140, 141, 152, 162, 168, 171, 180, 188, 189, 190, 210, 216, 228, 235, 252, 266, 270, 280, 282, 285, 315, 324, 329, 342, 360, 376, 378, 380, 399, 405, 420, 423, 456, 470, 504, 513, 532, 540, 564, 567, 570, 630, 648, 658, 665, 684, 705, 756, 760, 798, 810, 840, 846, 855, 893, 940, 945, 987, 1026, 1064, 1080, 1128, 1134, 1140, 1197, 1260, 1269, 1316, 1330, 1368, 1410, 1512, 1539, 1596, 1620, 1645, 1692, 1710, 1786, 1880, 1890, 1974, 1995, 2052, 2115, 2268, 2280, 2394, 2520, 2538, 2565, 2632, 2660, 2679, 2820, 2835, 2961, 3078, 3192, 3240, 3290, 3384, 3420, 3572, 3591, 3780, 3807, 3948, 3990, 4104, 4230, 4465, 4536, 4788, 4935, 5076, 5130, 5320, 5358, 5640, 5670, 5922, 5985, 6156, 6251, 6345, 6580, 6840, 7144, 7182, 7560, 7614, 7695, 7896, 7980, 8037, 8460, 8883, 8930, 9576, 9870, 10152, 10260, 10716, 10773, 11340, 11844, 11970, 12312, 12502, 12690, 13160, 13395, 14364, 14805, 15228, 15390, 15960, 16074, 16920, 17766, 17860, 17955, 18753, 19035, 19740, 20520, 21432, 21546, 22680, 23688, 23940, 24111, 25004, 25380, 26649, 26790, 28728, 29610, 30456, 30780, 31255, 32148, 35532, 35720, 35910, 37506, 38070, 39480, 40185, 43092, 44415, 47880, 48222, 50008, 50760, 53298, 53580, 53865, 56259, 59220, 61560, 62510, 64296, 71064, 71820, 72333, 75012, 76140, 80370, 86184, 88830, 93765, 96444, 106596, 107160, 107730, 112518, 118440, 120555, 125020, 133245, 143640, 144666, 150024, 152280, 160740, 168777, 177660, 187530, 192888, 213192, 215460, 225036, 241110, 250040, 266490, 281295, 289332, 321480, 337554, 355320, 361665, 375060, 430920, 450072, 482220, 506331, 532980, 562590, 578664, 675108, 723330, 750120, 843885, 964440, 1012662, 1065960, 1125180, 1350216, 1446660, 1687770, 2025324, 2250360, 2531655, 2893320, 3375540, 4050648, 5063310, 6751080, 10126620, 20253240]

約数ペア:

[(1, 20253240), (2, 10126620), (3, 6751080), (4, 5063310), (5, 4050648), (6, 3375540), (7, 2893320), (8, 2531655), (9, 2250360), (10, 2025324), (12, 1687770), (14, 1446660), (15, 1350216), (18, 1125180), (19, 1065960), (20, 1012662), (21, 964440), (24, 843885), (27, 750120), (28, 723330), (30, 675108), (35, 578664), (36, 562590), (38, 532980), (40, 506331), (42, 482220), (45, 450072), (47, 430920), (54, 375060), (56, 361665), (57, 355320), (60, 337554), (63, 321480), (70, 289332), (72, 281295), (76, 266490), (81, 250040), (84, 241110), (90, 225036), (94, 215460), (95, 213192), (105, 192888), (108, 187530), (114, 177660), (120, 168777), (126, 160740), (133, 152280), (135, 150024), (140, 144666), (141, 143640), (152, 133245), (162, 125020), (168, 120555), (171, 118440), (180, 112518), (188, 107730), (189, 107160), (190, 106596), (210, 96444), (216, 93765), (228, 88830), (235, 86184), (252, 80370), (266, 76140), (270, 75012), (280, 72333), (282, 71820), (285, 71064), (315, 64296), (324, 62510), (329, 61560), (342, 59220), (360, 56259), (376, 53865), (378, 53580), (380, 53298), (399, 50760), (405, 50008), (420, 48222), (423, 47880), (456, 44415), (470, 43092), (504, 40185), (513, 39480), (532, 38070), (540, 37506), (564, 35910), (567, 35720), (570, 35532), (630, 32148), (648, 31255), (658, 30780), (665, 30456), (684, 29610), (705, 28728), (756, 26790), (760, 26649), (798, 25380), (810, 25004), (840, 24111), (846, 23940), (855, 23688), (893, 22680), (940, 21546), (945, 21432), (987, 20520), (1026, 19740), (1064, 19035), (1080, 18753), (1128, 17955), (1134, 17860), (1140, 17766), (1197, 16920), (1260, 16074), (1269, 15960), (1316, 15390), (1330, 15228), (1368, 14805), (1410, 14364), (1512, 13395), (1539, 13160), (1596, 12690), (1620, 12502), (1645, 12312), (1692, 11970), (1710, 11844), (1786, 11340), (1880, 10773), (1890, 10716), (1974, 10260), (1995, 10152), (2052, 9870), (2115, 9576), (2268, 8930), (2280, 8883), (2394, 8460), (2520, 8037), (2538, 7980), (2565, 7896), (2632, 7695), (2660, 7614), (2679, 7560), (2820, 7182), (2835, 7144), (2961, 6840), (3078, 6580), (3192, 6345), (3240, 6251), (3290, 6156), (3384, 5985), (3420, 5922), (3572, 5670), (3591, 5640), (3780, 5358), (3807, 5320), (3948, 5130), (3990, 5076), (4104, 4935), (4230, 4788), (4465, 4536)]