20574979880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{18059}}^1$

素因数の和:18403

約数の個数: 128

約数和(自身を含む): 57162067200

約数和(自身を除く): 36587087320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 313, 364, 455, 520, 626, 728, 910, 1252, 1565, 1820, 2191, 2504, 3130, 3640, 4069, 4382, 6260, 8138, 8764, 10955, 12520, 16276, 17528, 18059, 20345, 21910, 28483, 32552, 36118, 40690, 43820, 56966, 72236, 81380, 87640, 90295, 113932, 126413, 142415, 144472, 162760, 180590, 227864, 234767, 252826, 284830, 361180, 469534, 505652, 569660, 632065, 722360, 939068, 1011304, 1139320, 1173835, 1264130, 1643369, 1878136, 2347670, 2528260, 3286738, 4695340, 5056520, 5652467, 6573476, 8216845, 9390680, 11304934, 13146952, 16433690, 22609868, 28262335, 32867380, 39567269, 45219736, 56524670, 65734760, 73482071, 79134538, 113049340, 146964142, 158269076, 197836345, 226098680, 293928284, 316538152, 367410355, 395672690, 514374497, 587856568, 734820710, 791345380, 1028748994, 1469641420, 1582690760, 2057497988, 2571872485, 2939282840, 4114995976, 5143744970, 10287489940, 20574979880]

約数ペア:

[(1, 20574979880), (2, 10287489940), (4, 5143744970), (5, 4114995976), (7, 2939282840), (8, 2571872485), (10, 2057497988), (13, 1582690760), (14, 1469641420), (20, 1028748994), (26, 791345380), (28, 734820710), (35, 587856568), (40, 514374497), (52, 395672690), (56, 367410355), (65, 316538152), (70, 293928284), (91, 226098680), (104, 197836345), (130, 158269076), (140, 146964142), (182, 113049340), (260, 79134538), (280, 73482071), (313, 65734760), (364, 56524670), (455, 45219736), (520, 39567269), (626, 32867380), (728, 28262335), (910, 22609868), (1252, 16433690), (1565, 13146952), (1820, 11304934), (2191, 9390680), (2504, 8216845), (3130, 6573476), (3640, 5652467), (4069, 5056520), (4382, 4695340), (6260, 3286738), (8138, 2528260), (8764, 2347670), (10955, 1878136), (12520, 1643369), (16276, 1264130), (17528, 1173835), (18059, 1139320), (20345, 1011304), (21910, 939068), (28483, 722360), (32552, 632065), (36118, 569660), (40690, 505652), (43820, 469534), (56966, 361180), (72236, 284830), (81380, 252826), (87640, 234767), (90295, 227864), (113932, 180590), (126413, 162760), (142415, 144472)]