20595764

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31981}}^1$

素因数の和:32015

約数の個数: 24

約数和(自身を含む): 42983808

約数和(自身を除く): 22388044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 31981, 63962, 127924, 223867, 447734, 735563, 895468, 1471126, 2942252, 5148941, 10297882, 20595764]

約数ペア:

[(1, 20595764), (2, 10297882), (4, 5148941), (7, 2942252), (14, 1471126), (23, 895468), (28, 735563), (46, 447734), (92, 223867), (161, 127924), (322, 63962), (644, 31981)]