20776721

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{827}}^1$

素因数の和:968

約数の個数: 16

約数和(自身を含む): 24667776

約数和(自身を除く): 3891055

約数列:

[1, 7, 37, 97, 259, 679, 827, 3589, 5789, 25123, 30599, 80219, 214193, 561533, 2968103, 20776721]

約数ペア:

[(1, 20776721), (7, 2968103), (37, 561533), (97, 214193), (259, 80219), (679, 30599), (827, 25123), (3589, 5789)]