20187631415

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{97579}}^1$

素因数の和:97871

約数の個数: 32

約数和(自身を含む): 29002337280

約数和(自身を除く): 8814705865

約数列:

[1, 5, 7, 23, 35, 115, 161, 257, 805, 1285, 1799, 5911, 8995, 29555, 41377, 97579, 206885, 487895, 683053, 2244317, 3415265, 11221585, 15710219, 25077803, 78551095, 125389015, 175544621, 576789469, 877723105, 2883947345, 4037526283, 20187631415]

約数ペア:

[(1, 20187631415), (5, 4037526283), (7, 2883947345), (23, 877723105), (35, 576789469), (115, 175544621), (161, 125389015), (257, 78551095), (805, 25077803), (1285, 15710219), (1799, 11221585), (5911, 3415265), (8995, 2244317), (29555, 683053), (41377, 487895), (97579, 206885)]