20928038382

素因数分解:

$2^1\times 3^2\times {\mathrm{409}}^1\times {\mathrm{2842711}}^1$

素因数の和:2843128

約数の個数: 24

約数和(自身を含む): 45454964880

約数和(自身を除く): 24526926498

約数列:

[1, 2, 3, 6, 9, 18, 409, 818, 1227, 2454, 3681, 7362, 2842711, 5685422, 8528133, 17056266, 25584399, 51168798, 1162668799, 2325337598, 3488006397, 6976012794, 10464019191, 20928038382]

約数ペア:

[(1, 20928038382), (2, 10464019191), (3, 6976012794), (6, 3488006397), (9, 2325337598), (18, 1162668799), (409, 51168798), (818, 25584399), (1227, 17056266), (2454, 8528133), (3681, 5685422), (7362, 2842711)]