20215499517

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{401}}^1\times {\mathrm{119179}}^1$

素因数の和:119633

約数の個数: 24

約数和(自身を含む): 29896064640

約数和(自身を除く): 9680565123

約数列:

[1, 3, 9, 47, 141, 401, 423, 1203, 3609, 18847, 56541, 119179, 169623, 357537, 1072611, 5601413, 16804239, 47790779, 50412717, 143372337, 430117011, 2246166613, 6738499839, 20215499517]

約数ペア:

[(1, 20215499517), (3, 6738499839), (9, 2246166613), (47, 430117011), (141, 143372337), (401, 50412717), (423, 47790779), (1203, 16804239), (3609, 5601413), (18847, 1072611), (56541, 357537), (119179, 169623)]