20698544615

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{63913}}^1$

素因数の和:64431

約数の個数: 32

約数和(自身を含む): 29942430720

約数和(自身を除く): 9243886105

約数列:

[1, 5, 7, 19, 35, 95, 133, 487, 665, 2435, 3409, 9253, 17045, 46265, 63913, 64771, 319565, 323855, 447391, 1214347, 2236955, 6071735, 8500429, 31125631, 42502145, 155628155, 217879417, 591386989, 1089397085, 2956934945, 4139708923, 20698544615]

約数ペア:

[(1, 20698544615), (5, 4139708923), (7, 2956934945), (19, 1089397085), (35, 591386989), (95, 217879417), (133, 155628155), (487, 42502145), (665, 31125631), (2435, 8500429), (3409, 6071735), (9253, 2236955), (17045, 1214347), (46265, 447391), (63913, 323855), (64771, 319565)]