20518746

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{179989}}^1$

素因数の和:180013

約数の個数: 16

約数和(自身を含む): 43197600

約数和(自身を除く): 22678854

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 179989, 359978, 539967, 1079934, 3419791, 6839582, 10259373, 20518746]

約数ペア:

[(1, 20518746), (2, 10259373), (3, 6839582), (6, 3419791), (19, 1079934), (38, 539967), (57, 359978), (114, 179989)]