20891262

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{497411}}^1$

素因数の和:497423

約数の個数: 16

約数和(自身を含む): 47751552

約数和(自身を除く): 26860290

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 497411, 994822, 1492233, 2984466, 3481877, 6963754, 10445631, 20891262]

約数ペア:

[(1, 20891262), (2, 10445631), (3, 6963754), (6, 3481877), (7, 2984466), (14, 1492233), (21, 994822), (42, 497411)]