20025677

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 25640640

約数和(自身を除く): 5614963

約数列:

[1, 7, 17, 19, 119, 133, 289, 323, 521, 2023, 2261, 3647, 5491, 8857, 9899, 38437, 61999, 69293, 150569, 168283, 1053983, 1177981, 2860811, 20025677]

約数ペア:

[(1, 20025677), (7, 2860811), (17, 1177981), (19, 1053983), (119, 168283), (133, 150569), (289, 69293), (323, 61999), (521, 38437), (2023, 9899), (2261, 8857), (3647, 5491)]