20149426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{39821}}^1$

素因数の和:39857

約数の個数: 16

約数和(自身を含む): 34406208

約数和(自身を除く): 14256782

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 39821, 79642, 438031, 876062, 915883, 1831766, 10074713, 20149426]

約数ペア:

[(1, 20149426), (2, 10074713), (11, 1831766), (22, 915883), (23, 876062), (46, 438031), (253, 79642), (506, 39821)]