20218573907

素因数分解:

$7^1\times {\mathrm{419}}^1\times {\mathrm{1213}}^1\times {\mathrm{5683}}^1$

素因数の和:7322

約数の個数: 16

約数和(自身を含む): 23185263360

約数和(自身を除く): 2966689453

約数列:

[1, 7, 419, 1213, 2933, 5683, 8491, 39781, 508247, 2381177, 3557729, 6893479, 16668239, 48254353, 2888367701, 20218573907]

約数ペア:

[(1, 20218573907), (7, 2888367701), (419, 48254353), (1213, 16668239), (2933, 6893479), (5683, 3557729), (8491, 2381177), (39781, 508247)]