20879260

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{2411}}^1$

素因数の和:2853

約数の個数: 24

約数和(自身を含む): 43965936

約数和(自身を除く): 23086676

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2165, 2411, 4330, 4822, 8660, 9644, 12055, 24110, 48220, 1043963, 2087926, 4175852, 5219815, 10439630, 20879260]

約数ペア:

[(1, 20879260), (2, 10439630), (4, 5219815), (5, 4175852), (10, 2087926), (20, 1043963), (433, 48220), (866, 24110), (1732, 12055), (2165, 9644), (2411, 8660), (4330, 4822)]