20345986

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{449}}^1$

素因数の和:753

約数の個数: 16

約数和(自身を含む): 30996000

約数和(自身を除く): 10650014

約数列:

[1, 2, 139, 163, 278, 326, 449, 898, 22657, 45314, 62411, 73187, 124822, 146374, 10172993, 20345986]

約数ペア:

[(1, 20345986), (2, 10172993), (139, 146374), (163, 124822), (278, 73187), (326, 62411), (449, 45314), (898, 22657)]