20479972

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 36533952

約数和(自身を除く): 16053980

約数列:

[1, 2, 4, 101, 163, 202, 311, 326, 404, 622, 652, 1244, 16463, 31411, 32926, 50693, 62822, 65852, 101386, 125644, 202772, 5119993, 10239986, 20479972]

約数ペア:

[(1, 20479972), (2, 10239986), (4, 5119993), (101, 202772), (163, 125644), (202, 101386), (311, 65852), (326, 62822), (404, 50693), (622, 32926), (652, 31411), (1244, 16463)]