20823413

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:524

約数の個数: 16

約数和(自身を含む): 23364096

約数和(自身を除く): 2540683

約数列:

[1, 13, 31, 163, 317, 403, 2119, 4121, 5053, 9827, 51671, 65689, 127751, 671723, 1601801, 20823413]

約数ペア:

[(1, 20823413), (13, 1601801), (31, 671723), (163, 127751), (317, 65689), (403, 51671), (2119, 9827), (4121, 5053)]