1677020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1181}}^1$

素因数の和:1261

約数の個数: 24

約数和(自身を含む): 3574368

約数和(自身を除く): 1897348

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1181, 1420, 2362, 4724, 5905, 11810, 23620, 83851, 167702, 335404, 419255, 838510, 1677020]

約数ペア:

[(1, 1677020), (2, 838510), (4, 419255), (5, 335404), (10, 167702), (20, 83851), (71, 23620), (142, 11810), (284, 5905), (355, 4724), (710, 2362), (1181, 1420)]