20556858

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{489449}}^1$

素因数の和:489461

約数の個数: 16

約数和(自身を含む): 46987200

約数和(自身を除く): 26430342

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 489449, 978898, 1468347, 2936694, 3426143, 6852286, 10278429, 20556858]

約数ペア:

[(1, 20556858), (2, 10278429), (3, 6852286), (6, 3426143), (7, 2936694), (14, 1468347), (21, 978898), (42, 489449)]