1977020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2411}}^1$

素因数の和:2461

約数の個数: 24

約数和(自身を含む): 4254768

約数和(自身を除く): 2277748

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2411, 4822, 9644, 12055, 24110, 48220, 98851, 197702, 395404, 494255, 988510, 1977020]

約数ペア:

[(1, 1977020), (2, 988510), (4, 494255), (5, 395404), (10, 197702), (20, 98851), (41, 48220), (82, 24110), (164, 12055), (205, 9644), (410, 4822), (820, 2411)]