20814010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{727}}^1$

素因数の和:1150

約数の個数: 32

約数和(自身を含む): 42981120

約数和(自身を除く): 22167110

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 409, 727, 818, 1454, 2045, 2863, 3635, 4090, 5089, 5726, 7270, 10178, 14315, 25445, 28630, 50890, 297343, 594686, 1486715, 2081401, 2973430, 4162802, 10407005, 20814010]

約数ペア:

[(1, 20814010), (2, 10407005), (5, 4162802), (7, 2973430), (10, 2081401), (14, 1486715), (35, 594686), (70, 297343), (409, 50890), (727, 28630), (818, 25445), (1454, 14315), (2045, 10178), (2863, 7270), (3635, 5726), (4090, 5089)]