20754643

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2887}}^1$

素因数の和:2986

約数の個数: 16

約数和(自身を含む): 25876480

約数和(自身を除く): 5121837

約数列:

[1, 7, 13, 79, 91, 553, 1027, 2887, 7189, 20209, 37531, 228073, 262717, 1596511, 2964949, 20754643]

約数ペア:

[(1, 20754643), (7, 2964949), (13, 1596511), (79, 262717), (91, 228073), (553, 37531), (1027, 20209), (2887, 7189)]