20195661640

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7043}}^1$

素因数の和:7105

約数の個数: 256

約数和(自身を含む): 60860160000

約数和(自身を除く): 40664498360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 49, 55, 56, 70, 76, 77, 88, 95, 98, 110, 133, 140, 152, 154, 190, 196, 209, 220, 245, 266, 280, 308, 343, 380, 385, 392, 418, 440, 490, 532, 539, 616, 665, 686, 760, 770, 836, 931, 980, 1045, 1064, 1078, 1330, 1372, 1463, 1540, 1672, 1715, 1862, 1960, 2090, 2156, 2660, 2695, 2744, 2926, 3080, 3430, 3724, 3773, 4180, 4312, 4655, 5320, 5390, 5852, 6517, 6860, 7043, 7315, 7448, 7546, 8360, 9310, 10241, 10780, 11704, 13034, 13720, 14086, 14630, 15092, 18620, 18865, 20482, 21560, 26068, 28172, 29260, 30184, 32585, 35215, 37240, 37730, 40964, 49301, 51205, 52136, 56344, 58520, 65170, 70430, 71687, 75460, 77473, 81928, 98602, 102410, 130340, 133817, 140860, 143374, 150920, 154946, 197204, 204820, 246505, 260680, 267634, 281720, 286748, 309892, 345107, 358435, 387365, 394408, 409640, 493010, 535268, 542311, 573496, 619784, 669085, 690214, 716870, 774730, 936719, 986020, 1070536, 1084622, 1338170, 1380428, 1433740, 1471987, 1549460, 1725535, 1873438, 1972040, 2169244, 2415749, 2676340, 2711555, 2760856, 2867480, 2943974, 3098920, 3451070, 3746876, 3796177, 4338488, 4683595, 4831498, 5352680, 5423110, 5887948, 6557033, 6902140, 7359935, 7493752, 7592354, 9367190, 9662996, 10303909, 10846220, 11775896, 12078745, 13114066, 13804280, 14719870, 15184708, 18734380, 18980885, 19325992, 20607818, 21692440, 24157490, 26228132, 26573239, 29439740, 30369416, 32785165, 37468760, 37961770, 41215636, 45899231, 48314980, 51519545, 52456264, 53146478, 58879480, 65570330, 72127363, 75923540, 82431272, 91798462, 96629960, 103039090, 106292956, 131140660, 132866195, 144254726, 151847080, 183596924, 206078180, 212585912, 229496155, 262281320, 265732390, 288509452, 360636815, 367193848, 412156360, 458992310, 504891541, 531464780, 577018904, 721273630, 917984620, 1009783082, 1062929560, 1442547260, 1835969240, 2019566164, 2524457705, 2885094520, 4039132328, 5048915410, 10097830820, 20195661640]

約数ペア:

[(1, 20195661640), (2, 10097830820), (4, 5048915410), (5, 4039132328), (7, 2885094520), (8, 2524457705), (10, 2019566164), (11, 1835969240), (14, 1442547260), (19, 1062929560), (20, 1009783082), (22, 917984620), (28, 721273630), (35, 577018904), (38, 531464780), (40, 504891541), (44, 458992310), (49, 412156360), (55, 367193848), (56, 360636815), (70, 288509452), (76, 265732390), (77, 262281320), (88, 229496155), (95, 212585912), (98, 206078180), (110, 183596924), (133, 151847080), (140, 144254726), (152, 132866195), (154, 131140660), (190, 106292956), (196, 103039090), (209, 96629960), (220, 91798462), (245, 82431272), (266, 75923540), (280, 72127363), (308, 65570330), (343, 58879480), (380, 53146478), (385, 52456264), (392, 51519545), (418, 48314980), (440, 45899231), (490, 41215636), (532, 37961770), (539, 37468760), (616, 32785165), (665, 30369416), (686, 29439740), (760, 26573239), (770, 26228132), (836, 24157490), (931, 21692440), (980, 20607818), (1045, 19325992), (1064, 18980885), (1078, 18734380), (1330, 15184708), (1372, 14719870), (1463, 13804280), (1540, 13114066), (1672, 12078745), (1715, 11775896), (1862, 10846220), (1960, 10303909), (2090, 9662996), (2156, 9367190), (2660, 7592354), (2695, 7493752), (2744, 7359935), (2926, 6902140), (3080, 6557033), (3430, 5887948), (3724, 5423110), (3773, 5352680), (4180, 4831498), (4312, 4683595), (4655, 4338488), (5320, 3796177), (5390, 3746876), (5852, 3451070), (6517, 3098920), (6860, 2943974), (7043, 2867480), (7315, 2760856), (7448, 2711555), (7546, 2676340), (8360, 2415749), (9310, 2169244), (10241, 1972040), (10780, 1873438), (11704, 1725535), (13034, 1549460), (13720, 1471987), (14086, 1433740), (14630, 1380428), (15092, 1338170), (18620, 1084622), (18865, 1070536), (20482, 986020), (21560, 936719), (26068, 774730), (28172, 716870), (29260, 690214), (30184, 669085), (32585, 619784), (35215, 573496), (37240, 542311), (37730, 535268), (40964, 493010), (49301, 409640), (51205, 394408), (52136, 387365), (56344, 358435), (58520, 345107), (65170, 309892), (70430, 286748), (71687, 281720), (75460, 267634), (77473, 260680), (81928, 246505), (98602, 204820), (102410, 197204), (130340, 154946), (133817, 150920), (140860, 143374)]