20567090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{70921}}^1$

素因数の和:70957

約数の個数: 16

約数和(自身を含む): 38297880

約数和(自身を除く): 17730790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 70921, 141842, 354605, 709210, 2056709, 4113418, 10283545, 20567090]

約数ペア:

[(1, 20567090), (2, 10283545), (5, 4113418), (10, 2056709), (29, 709210), (58, 354605), (145, 141842), (290, 70921)]