20986301

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{881}}^1$

素因数の和:1012

約数の個数: 16

約数和(自身を含む): 24893568

約数和(自身を除く): 3907267

約数列:

[1, 7, 41, 83, 287, 581, 881, 3403, 6167, 23821, 36121, 73123, 252847, 511861, 2998043, 20986301]

約数ペア:

[(1, 20986301), (7, 2998043), (41, 511861), (83, 252847), (287, 73123), (581, 36121), (881, 23821), (3403, 6167)]