20221581

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{683}}^1$

素因数の和:896

約数の個数: 16

約数和(自身を含む): 27578880

約数和(自身を除く): 7357299

約数列:

[1, 3, 71, 139, 213, 417, 683, 2049, 9869, 29607, 48493, 94937, 145479, 284811, 6740527, 20221581]

約数ペア:

[(1, 20221581), (3, 6740527), (71, 284811), (139, 145479), (213, 94937), (417, 48493), (683, 29607), (2049, 9869)]