20958206

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{3989}}^1$

素因数の和:4099

約数の個数: 16

約数和(自身を含む): 32749920

約数和(自身を除く): 11791714

約数列:

[1, 2, 37, 71, 74, 142, 2627, 3989, 5254, 7978, 147593, 283219, 295186, 566438, 10479103, 20958206]

約数ペア:

[(1, 20958206), (2, 10479103), (37, 566438), (71, 295186), (74, 283219), (142, 147593), (2627, 7978), (3989, 5254)]