20381627

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:598

約数の個数: 16

約数和(自身を含む): 23965632

約数和(自身を除く): 3584005

約数列:

[1, 7, 53, 137, 371, 401, 959, 2807, 7261, 21253, 50827, 54937, 148771, 384559, 2911661, 20381627]

約数ペア:

[(1, 20381627), (7, 2911661), (53, 384559), (137, 148771), (371, 54937), (401, 50827), (959, 21253), (2807, 7261)]