20212090

素因数分解:

$2^1\times 5^1\times {\mathrm{1153}}^1\times {\mathrm{1753}}^1$

素因数の和:2913

約数の個数: 16

約数和(自身を含む): 36434088

約数和(自身を除く): 16221998

約数列:

[1, 2, 5, 10, 1153, 1753, 2306, 3506, 5765, 8765, 11530, 17530, 2021209, 4042418, 10106045, 20212090]

約数ペア:

[(1, 20212090), (2, 10106045), (5, 4042418), (10, 2021209), (1153, 17530), (1753, 11530), (2306, 8765), (3506, 5765)]