20943694

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1861}}^1$

素因数の和:2211

約数の個数: 16

約数和(自身を含む): 33381936

約数和(自身を除く): 12438242

約数列:

[1, 2, 17, 34, 331, 662, 1861, 3722, 5627, 11254, 31637, 63274, 615991, 1231982, 10471847, 20943694]

約数ペア:

[(1, 20943694), (2, 10471847), (17, 1231982), (34, 615991), (331, 63274), (662, 31637), (1861, 11254), (3722, 5627)]