20625997

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:1008

約数の個数: 16

約数和(自身を含む): 24440832

約数和(自身を除く): 3814835

約数列:

[1, 7, 47, 71, 329, 497, 883, 3337, 6181, 23359, 41501, 62693, 290507, 438851, 2946571, 20625997]

約数ペア:

[(1, 20625997), (7, 2946571), (47, 438851), (71, 290507), (329, 62693), (497, 41501), (883, 23359), (3337, 6181)]