20064789

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 29949920

約数和(自身を除く): 9885131

約数列:

[1, 3, 9, 43, 129, 139, 373, 387, 417, 1119, 1251, 3357, 5977, 16039, 17931, 48117, 51847, 53793, 144351, 155541, 466623, 2229421, 6688263, 20064789]

約数ペア:

[(1, 20064789), (3, 6688263), (9, 2229421), (43, 466623), (129, 155541), (139, 144351), (373, 53793), (387, 51847), (417, 48117), (1119, 17931), (1251, 16039), (3357, 5977)]