20505416

素因数分解:

$2^3\times {\mathrm{379}}^1\times {\mathrm{6763}}^1$

素因数の和:7148

約数の個数: 16

約数和(自身を含む): 38554800

約数和(自身を除く): 18049384

約数列:

[1, 2, 4, 8, 379, 758, 1516, 3032, 6763, 13526, 27052, 54104, 2563177, 5126354, 10252708, 20505416]

約数ペア:

[(1, 20505416), (2, 10252708), (4, 5126354), (8, 2563177), (379, 54104), (758, 27052), (1516, 13526), (3032, 6763)]