20320910

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28621}}^1$

素因数の和:28699

約数の個数: 16

約数和(自身を含む): 37094112

約数和(自身を除く): 16773202

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28621, 57242, 143105, 286210, 2032091, 4064182, 10160455, 20320910]

約数ペア:

[(1, 20320910), (2, 10160455), (5, 4064182), (10, 2032091), (71, 286210), (142, 143105), (355, 57242), (710, 28621)]