20215418

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{751}}^1$

素因数の和:1109

約数の個数: 16

約数和(自身を含む): 31168896

約数和(自身を除く): 10953478

約数列:

[1, 2, 43, 86, 313, 626, 751, 1502, 13459, 26918, 32293, 64586, 235063, 470126, 10107709, 20215418]

約数ペア:

[(1, 20215418), (2, 10107709), (43, 470126), (86, 235063), (313, 64586), (626, 32293), (751, 26918), (1502, 13459)]