20959406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{2543}}^1$

素因数の和:2875

約数の個数: 16

約数和(自身を含む): 33977664

約数和(自身を除く): 13018258

約数列:

[1, 2, 13, 26, 317, 634, 2543, 4121, 5086, 8242, 33059, 66118, 806131, 1612262, 10479703, 20959406]

約数ペア:

[(1, 20959406), (2, 10479703), (13, 1612262), (26, 806131), (317, 66118), (634, 33059), (2543, 8242), (4121, 5086)]