20253145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19381}}^1$

素因数の和:19416

約数の個数: 16

約数和(自身を含む): 27910080

約数和(自身を除く): 7656935

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 19381, 96905, 213191, 368239, 1065955, 1841195, 4050629, 20253145]

約数ペア:

[(1, 20253145), (5, 4050629), (11, 1841195), (19, 1065955), (55, 368239), (95, 213191), (209, 96905), (1045, 19381)]