20152895

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{12251}}^1$

素因数の和:12310

約数の個数: 16

約数和(自身を含む): 28228608

約数和(自身を除く): 8075713

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 12251, 61255, 85757, 428785, 575797, 2878985, 4030579, 20152895]

約数ペア:

[(1, 20152895), (5, 4030579), (7, 2878985), (35, 575797), (47, 428785), (235, 85757), (329, 61255), (1645, 12251)]