20391722

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{5987}}^1$

素因数の和:6133

約数の個数: 16

約数和(自身を含む): 33197472

約数和(自身を除く): 12805750

約数列:

[1, 2, 13, 26, 131, 262, 1703, 3406, 5987, 11974, 77831, 155662, 784297, 1568594, 10195861, 20391722]

約数ペア:

[(1, 20391722), (2, 10195861), (13, 1568594), (26, 784297), (131, 155662), (262, 77831), (1703, 11974), (3406, 5987)]