20717686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{5639}}^1$

素因数の和:5819

約数の個数: 16

約数和(自身を含む): 34110720

約数和(自身を除く): 13393034

約数列:

[1, 2, 11, 22, 167, 334, 1837, 3674, 5639, 11278, 62029, 124058, 941713, 1883426, 10358843, 20717686]

約数ペア:

[(1, 20717686), (2, 10358843), (11, 1883426), (22, 941713), (167, 124058), (334, 62029), (1837, 11278), (3674, 5639)]