20125660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14173}}^1$

素因数の和:14253

約数の個数: 24

約数和(自身を含む): 42862176

約数和(自身を除く): 22736516

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 14173, 28346, 56692, 70865, 141730, 283460, 1006283, 2012566, 4025132, 5031415, 10062830, 20125660]

約数ペア:

[(1, 20125660), (2, 10062830), (4, 5031415), (5, 4025132), (10, 2012566), (20, 1006283), (71, 283460), (142, 141730), (284, 70865), (355, 56692), (710, 28346), (1420, 14173)]