20975633

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{743}}^1$

素因数の和:896

約数の個数: 16

約数和(自身を含む): 24879360

約数和(自身を除く): 3903727

約数列:

[1, 7, 37, 109, 259, 743, 763, 4033, 5201, 27491, 28231, 80987, 192437, 566909, 2996519, 20975633]

約数ペア:

[(1, 20975633), (7, 2996519), (37, 566909), (109, 192437), (259, 80987), (743, 28231), (763, 27491), (4033, 5201)]