20659595

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2521}}^1$

素因数の和:2686

約数の個数: 16

約数和(自身を含む): 27237600

約数和(自身を除く): 6578005

約数列:

[1, 5, 11, 55, 149, 745, 1639, 2521, 8195, 12605, 27731, 138655, 375629, 1878145, 4131919, 20659595]

約数ペア:

[(1, 20659595), (5, 4131919), (11, 1878145), (55, 375629), (149, 138655), (745, 27731), (1639, 12605), (2521, 8195)]