201916940

素因数分解:

$2^2\times 5^1\times {\mathrm{10095847}}^1$

素因数の和:10095856

約数の個数: 12

約数和(自身を含む): 424025616

約数和(自身を除く): 222108676

約数列:

[1, 2, 4, 5, 10, 20, 10095847, 20191694, 40383388, 50479235, 100958470, 201916940]

約数ペア:

[(1, 201916940), (2, 100958470), (4, 50479235), (5, 40383388), (10, 20191694), (20, 10095847)]