20827877

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2341}}^1$

素因数の和:2420

約数の個数: 16

約数和(自身を含む): 25181184

約数和(自身を除く): 4353307

約数列:

[1, 7, 31, 41, 217, 287, 1271, 2341, 8897, 16387, 72571, 95981, 507997, 671867, 2975411, 20827877]

約数ペア:

[(1, 20827877), (7, 2975411), (31, 671867), (41, 507997), (217, 95981), (287, 72571), (1271, 16387), (2341, 8897)]