20539342210

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28928651}}^1$

素因数の和:28928729

約数の個数: 16

約数和(自身を含む): 37491532992

約数和(自身を除く): 16952190782

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28928651, 57857302, 144643255, 289286510, 2053934221, 4107868442, 10269671105, 20539342210]

約数ペア:

[(1, 20539342210), (2, 10269671105), (5, 4107868442), (10, 2053934221), (71, 289286510), (142, 144643255), (355, 57857302), (710, 28928651)]