11443820

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1399}}^1$

素因数の和:1817

約数の個数: 24

約数和(自身を含む): 24108000

約数和(自身を除く): 12664180

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1399, 1636, 2045, 2798, 4090, 5596, 6995, 8180, 13990, 27980, 572191, 1144382, 2288764, 2860955, 5721910, 11443820]

約数ペア:

[(1, 11443820), (2, 5721910), (4, 2860955), (5, 2288764), (10, 1144382), (20, 572191), (409, 27980), (818, 13990), (1399, 8180), (1636, 6995), (2045, 5596), (2798, 4090)]