20615845

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2371}}^1$

素因数の和:2460

約数の個数: 16

約数和(自身を含む): 25959168

約数和(自身を除く): 5343323

約数列:

[1, 5, 37, 47, 185, 235, 1739, 2371, 8695, 11855, 87727, 111437, 438635, 557185, 4123169, 20615845]

約数ペア:

[(1, 20615845), (5, 4123169), (37, 557185), (47, 438635), (185, 111437), (235, 87727), (1739, 11855), (2371, 8695)]