20931663896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{40037}}^1$

素因数の和:40524

約数の個数: 64

約数和(自身を含む): 46210258080

約数和(自身を除く): 25278594184

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 457, 572, 914, 1144, 1828, 3656, 5027, 5941, 10054, 11882, 20108, 23764, 40037, 40216, 47528, 65351, 80074, 130702, 160148, 261404, 320296, 440407, 520481, 522808, 880814, 1040962, 1761628, 2081924, 3523256, 4163848, 5725291, 11450582, 18296909, 22901164, 36593818, 45802328, 73187636, 146375272, 201265999, 237859817, 402531998, 475719634, 805063996, 951439268, 1610127992, 1902878536, 2616457987, 5232915974, 10465831948, 20931663896]

約数ペア:

[(1, 20931663896), (2, 10465831948), (4, 5232915974), (8, 2616457987), (11, 1902878536), (13, 1610127992), (22, 951439268), (26, 805063996), (44, 475719634), (52, 402531998), (88, 237859817), (104, 201265999), (143, 146375272), (286, 73187636), (457, 45802328), (572, 36593818), (914, 22901164), (1144, 18296909), (1828, 11450582), (3656, 5725291), (5027, 4163848), (5941, 3523256), (10054, 2081924), (11882, 1761628), (20108, 1040962), (23764, 880814), (40037, 522808), (40216, 520481), (47528, 440407), (65351, 320296), (80074, 261404), (130702, 160148)]