20646227280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{1163}}^1\times {\mathrm{10567}}^1$

素因数の和:11753

約数の個数: 160

約数和(自身を含む): 73216456704

約数和(自身を除く): 52570229424

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1163, 1680, 2326, 3489, 4652, 5815, 6978, 8141, 9304, 10567, 11630, 13956, 16282, 17445, 18608, 21134, 23260, 24423, 27912, 31701, 32564, 34890, 40705, 42268, 46520, 48846, 52835, 55824, 63402, 65128, 69780, 73969, 81410, 84536, 93040, 97692, 105670, 122115, 126804, 130256, 139560, 147938, 158505, 162820, 169072, 195384, 211340, 221907, 244230, 253608, 279120, 295876, 317010, 325640, 369845, 390768, 422680, 443814, 488460, 507216, 591752, 634020, 651280, 739690, 845360, 887628, 976920, 1109535, 1183504, 1268040, 1479380, 1775256, 1953840, 2219070, 2536080, 2958760, 3550512, 4438140, 5917520, 8876280, 12289421, 17752560, 24578842, 36868263, 49157684, 61447105, 73736526, 86025947, 98315368, 122894210, 147473052, 172051894, 184341315, 196630736, 245788420, 258077841, 294946104, 344103788, 368682630, 430129735, 491576840, 516155682, 589892208, 688207576, 737365260, 860259470, 983153680, 1032311364, 1290389205, 1376415152, 1474730520, 1720518940, 2064622728, 2580778410, 2949461040, 3441037880, 4129245456, 5161556820, 6882075760, 10323113640, 20646227280]

約数ペア:

[(1, 20646227280), (2, 10323113640), (3, 6882075760), (4, 5161556820), (5, 4129245456), (6, 3441037880), (7, 2949461040), (8, 2580778410), (10, 2064622728), (12, 1720518940), (14, 1474730520), (15, 1376415152), (16, 1290389205), (20, 1032311364), (21, 983153680), (24, 860259470), (28, 737365260), (30, 688207576), (35, 589892208), (40, 516155682), (42, 491576840), (48, 430129735), (56, 368682630), (60, 344103788), (70, 294946104), (80, 258077841), (84, 245788420), (105, 196630736), (112, 184341315), (120, 172051894), (140, 147473052), (168, 122894210), (210, 98315368), (240, 86025947), (280, 73736526), (336, 61447105), (420, 49157684), (560, 36868263), (840, 24578842), (1163, 17752560), (1680, 12289421), (2326, 8876280), (3489, 5917520), (4652, 4438140), (5815, 3550512), (6978, 2958760), (8141, 2536080), (9304, 2219070), (10567, 1953840), (11630, 1775256), (13956, 1479380), (16282, 1268040), (17445, 1183504), (18608, 1109535), (21134, 976920), (23260, 887628), (24423, 845360), (27912, 739690), (31701, 651280), (32564, 634020), (34890, 591752), (40705, 507216), (42268, 488460), (46520, 443814), (48846, 422680), (52835, 390768), (55824, 369845), (63402, 325640), (65128, 317010), (69780, 295876), (73969, 279120), (81410, 253608), (84536, 244230), (93040, 221907), (97692, 211340), (105670, 195384), (122115, 169072), (126804, 162820), (130256, 158505), (139560, 147938)]