20009820138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{921517}}^1$

素因数の和:921587

約数の個数: 64

約数和(自身を含む): 50956259328

約数和(自身を除く): 30946439190

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 47, 66, 77, 94, 141, 154, 231, 282, 329, 462, 517, 658, 987, 1034, 1551, 1974, 3102, 3619, 7238, 10857, 21714, 921517, 1843034, 2764551, 5529102, 6450619, 10136687, 12901238, 19351857, 20273374, 30410061, 38703714, 43311299, 60820122, 70956809, 86622598, 129933897, 141913618, 212870427, 259867794, 303179093, 425740854, 476424289, 606358186, 909537279, 952848578, 1429272867, 1819074558, 2858545734, 3334970023, 6669940046, 10004910069, 20009820138]

約数ペア:

[(1, 20009820138), (2, 10004910069), (3, 6669940046), (6, 3334970023), (7, 2858545734), (11, 1819074558), (14, 1429272867), (21, 952848578), (22, 909537279), (33, 606358186), (42, 476424289), (47, 425740854), (66, 303179093), (77, 259867794), (94, 212870427), (141, 141913618), (154, 129933897), (231, 86622598), (282, 70956809), (329, 60820122), (462, 43311299), (517, 38703714), (658, 30410061), (987, 20273374), (1034, 19351857), (1551, 12901238), (1974, 10136687), (3102, 6450619), (3619, 5529102), (7238, 2764551), (10857, 1843034), (21714, 921517)]