20290393

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:384

約数の個数: 16

約数和(自身を含む): 22041216

約数和(自身を除く): 1750823

約数列:

[1, 23, 37, 113, 211, 851, 2599, 4181, 4853, 7807, 23843, 96163, 179561, 548389, 882191, 20290393]

約数ペア:

[(1, 20290393), (23, 882191), (37, 548389), (113, 179561), (211, 96163), (851, 23843), (2599, 7807), (4181, 4853)]