20131340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14177}}^1$

素因数の和:14257

約数の個数: 24

約数和(自身を含む): 42874272

約数和(自身を除く): 22742932

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 14177, 28354, 56708, 70885, 141770, 283540, 1006567, 2013134, 4026268, 5032835, 10065670, 20131340]

約数ペア:

[(1, 20131340), (2, 10065670), (4, 5032835), (5, 4026268), (10, 2013134), (20, 1006567), (71, 283540), (142, 141770), (284, 70885), (355, 56708), (710, 28354), (1420, 14177)]