20890181232

素因数分解:

$2^4\times 3^5\times {\mathrm{127}}^1\times {\mathrm{42307}}^1$

素因数の和:42457

約数の個数: 120

約数和(自身を含む): 61107644416

約数和(自身を除く): 40217463184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 127, 144, 162, 216, 243, 254, 324, 381, 432, 486, 508, 648, 762, 972, 1016, 1143, 1296, 1524, 1944, 2032, 2286, 3048, 3429, 3888, 4572, 6096, 6858, 9144, 10287, 13716, 18288, 20574, 27432, 30861, 41148, 42307, 54864, 61722, 82296, 84614, 123444, 126921, 164592, 169228, 246888, 253842, 338456, 380763, 493776, 507684, 676912, 761526, 1015368, 1142289, 1523052, 2030736, 2284578, 3046104, 3426867, 4569156, 5372989, 6092208, 6853734, 9138312, 10280601, 10745978, 13707468, 16118967, 18276624, 20561202, 21491956, 27414936, 32237934, 41122404, 42983912, 48356901, 54829872, 64475868, 82244808, 85967824, 96713802, 128951736, 145070703, 164489616, 193427604, 257903472, 290141406, 386855208, 435212109, 580282812, 773710416, 870424218, 1160565624, 1305636327, 1740848436, 2321131248, 2611272654, 3481696872, 5222545308, 6963393744, 10445090616, 20890181232]

約数ペア:

[(1, 20890181232), (2, 10445090616), (3, 6963393744), (4, 5222545308), (6, 3481696872), (8, 2611272654), (9, 2321131248), (12, 1740848436), (16, 1305636327), (18, 1160565624), (24, 870424218), (27, 773710416), (36, 580282812), (48, 435212109), (54, 386855208), (72, 290141406), (81, 257903472), (108, 193427604), (127, 164489616), (144, 145070703), (162, 128951736), (216, 96713802), (243, 85967824), (254, 82244808), (324, 64475868), (381, 54829872), (432, 48356901), (486, 42983912), (508, 41122404), (648, 32237934), (762, 27414936), (972, 21491956), (1016, 20561202), (1143, 18276624), (1296, 16118967), (1524, 13707468), (1944, 10745978), (2032, 10280601), (2286, 9138312), (3048, 6853734), (3429, 6092208), (3888, 5372989), (4572, 4569156), (6096, 3426867), (6858, 3046104), (9144, 2284578), (10287, 2030736), (13716, 1523052), (18288, 1142289), (20574, 1015368), (27432, 761526), (30861, 676912), (41148, 507684), (42307, 493776), (54864, 380763), (61722, 338456), (82296, 253842), (84614, 246888), (123444, 169228), (126921, 164592)]