20176910747

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{22391}}^1$

素因数の和:22643

約数の個数: 32

約数和(自身を含む): 25021716480

約数和(自身を除く): 4844805733

約数列:

[1, 7, 23, 29, 161, 193, 203, 667, 1351, 4439, 4669, 5597, 22391, 31073, 39179, 128731, 156737, 514993, 649339, 901117, 3604951, 4321463, 4545373, 14934797, 30250241, 99393649, 104543579, 125322427, 695755543, 877256989, 2882415821, 20176910747]

約数ペア:

[(1, 20176910747), (7, 2882415821), (23, 877256989), (29, 695755543), (161, 125322427), (193, 104543579), (203, 99393649), (667, 30250241), (1351, 14934797), (4439, 4545373), (4669, 4321463), (5597, 3604951), (22391, 901117), (31073, 649339), (39179, 514993), (128731, 156737)]