20209718

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{1319}}^1$

素因数の和:1531

約数の個数: 16

約数和(自身を含む): 31173120

約数和(自身を除く): 10963402

約数列:

[1, 2, 47, 94, 163, 326, 1319, 2638, 7661, 15322, 61993, 123986, 214997, 429994, 10104859, 20209718]

約数ペア:

[(1, 20209718), (2, 10104859), (47, 429994), (94, 214997), (163, 123986), (326, 61993), (1319, 15322), (2638, 7661)]