20430212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1493}}^1$

素因数の和:1819

約数の個数: 24

約数和(自身を含む): 39154752

約数和(自身を除く): 18724540

約数列:

[1, 2, 4, 11, 22, 44, 311, 622, 1244, 1493, 2986, 3421, 5972, 6842, 13684, 16423, 32846, 65692, 464323, 928646, 1857292, 5107553, 10215106, 20430212]

約数ペア:

[(1, 20430212), (2, 10215106), (4, 5107553), (11, 1857292), (22, 928646), (44, 464323), (311, 65692), (622, 32846), (1244, 16423), (1493, 13684), (2986, 6842), (3421, 5972)]