20178382007

素因数分解:

$7^1\times {\mathrm{547}}^1\times {\mathrm{1973}}^1\times {\mathrm{2671}}^1$

素因数の和:5198

約数の個数: 16

約数和(自身を含む): 23123530752

約数和(自身を除く): 2945148745

約数列:

[1, 7, 547, 1973, 2671, 3829, 13811, 18697, 1079231, 1461037, 5269883, 7554617, 10227259, 36889181, 2882626001, 20178382007]

約数ペア:

[(1, 20178382007), (7, 2882626001), (547, 36889181), (1973, 10227259), (2671, 7554617), (3829, 5269883), (13811, 1461037), (18697, 1079231)]