20650679

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:542

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 3541321

約数列:

[1, 7, 79, 107, 349, 553, 749, 2443, 8453, 27571, 37343, 59171, 192997, 261401, 2950097, 20650679]

約数ペア:

[(1, 20650679), (7, 2950097), (79, 261401), (107, 192997), (349, 59171), (553, 37343), (749, 27571), (2443, 8453)]