20783969264

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{130987}}^1$

素因数の和:131253

約数の個数: 40

約数和(自身を含む): 41320950528

約数和(自身を除く): 20536981264

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 211, 376, 422, 752, 844, 1688, 3376, 9917, 19834, 39668, 79336, 130987, 158672, 261974, 523948, 1047896, 2095792, 6156389, 12312778, 24625556, 27638257, 49251112, 55276514, 98502224, 110553028, 221106056, 442212112, 1298998079, 2597996158, 5195992316, 10391984632, 20783969264]

約数ペア:

[(1, 20783969264), (2, 10391984632), (4, 5195992316), (8, 2597996158), (16, 1298998079), (47, 442212112), (94, 221106056), (188, 110553028), (211, 98502224), (376, 55276514), (422, 49251112), (752, 27638257), (844, 24625556), (1688, 12312778), (3376, 6156389), (9917, 2095792), (19834, 1047896), (39668, 523948), (79336, 261974), (130987, 158672)]