20126421231

素因数分解:

$3^1\times 7^1\times {\mathrm{1481}}^1\times {\mathrm{647131}}^1$

素因数の和:648622

約数の個数: 16

約数和(自身を含む): 30689587968

約数和(自身を除く): 10563166737

約数列:

[1, 3, 7, 21, 1481, 4443, 10367, 31101, 647131, 1941393, 4529917, 13589751, 958401011, 2875203033, 6708807077, 20126421231]

約数ペア:

[(1, 20126421231), (3, 6708807077), (7, 2875203033), (21, 958401011), (1481, 13589751), (4443, 4529917), (10367, 1941393), (31101, 647131)]