20326943

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1607}}^1$

素因数の和:1766

約数の個数: 16

約数和(自身を含む): 25213440

約数和(自身を除く): 4886497

約数列:

[1, 7, 13, 91, 139, 973, 1607, 1807, 11249, 12649, 20891, 146237, 223373, 1563611, 2903849, 20326943]

約数ペア:

[(1, 20326943), (7, 2903849), (13, 1563611), (91, 223373), (139, 146237), (973, 20891), (1607, 12649), (1807, 11249)]