20212990075

素因数分解:

$5^2\times {\mathrm{73}}^1\times {\mathrm{11075611}}^1$

素因数の和:11075694

約数の個数: 12

約数和(自身を含む): 25407453928

約数和(自身を除く): 5194463853

約数列:

[1, 5, 25, 73, 365, 1825, 11075611, 55378055, 276890275, 808519603, 4042598015, 20212990075]

約数ペア:

[(1, 20212990075), (5, 4042598015), (25, 808519603), (73, 276890275), (365, 55378055), (1825, 11075611)]