20962100

素因数分解:

$2^2\times 5^2\times {\mathrm{209621}}^1$

素因数の和:209635

約数の個数: 18

約数和(自身を含む): 45487974

約数和(自身を除く): 24525874

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 209621, 419242, 838484, 1048105, 2096210, 4192420, 5240525, 10481050, 20962100]

約数ペア:

[(1, 20962100), (2, 10481050), (4, 5240525), (5, 4192420), (10, 2096210), (20, 1048105), (25, 838484), (50, 419242), (100, 209621)]