20054555

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2521}}^1$

素因数の和:2606

約数の個数: 16

約数和(自身を含む): 25300704

約数和(自身を除く): 5246149

約数列:

[1, 5, 37, 43, 185, 215, 1591, 2521, 7955, 12605, 93277, 108403, 466385, 542015, 4010911, 20054555]

約数ペア:

[(1, 20054555), (5, 4010911), (37, 542015), (43, 466385), (185, 108403), (215, 93277), (1591, 12605), (2521, 7955)]