20201595895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{26203}}^1$

素因数の和:26659

約数の個数: 32

約数和(自身を含む): 27073972800

約数和(自身を除く): 6872376905

約数列:

[1, 5, 13, 29, 65, 145, 377, 409, 1885, 2045, 5317, 11861, 26203, 26585, 59305, 131015, 154193, 340639, 759887, 770965, 1703195, 3799435, 9878531, 10717027, 49392655, 53585135, 139321351, 310793783, 696606755, 1553968915, 4040319179, 20201595895]

約数ペア:

[(1, 20201595895), (5, 4040319179), (13, 1553968915), (29, 696606755), (65, 310793783), (145, 139321351), (377, 53585135), (409, 49392655), (1885, 10717027), (2045, 9878531), (5317, 3799435), (11861, 1703195), (26203, 770965), (26585, 759887), (59305, 340639), (131015, 154193)]