20752571

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:454

約数の個数: 16

約数和(自身を含む): 24235200

約数和(自身を除く): 3482629

約数列:

[1, 7, 101, 149, 197, 707, 1043, 1379, 15049, 19897, 29353, 105343, 139279, 205471, 2964653, 20752571]

約数ペア:

[(1, 20752571), (7, 2964653), (101, 205471), (149, 139279), (197, 105343), (707, 29353), (1043, 19897), (1379, 15049)]