20115759988

素因数分解:

$2^2\times {\mathrm{73}}^2\times {\mathrm{943693}}^1$

素因数の和:943843

約数の個数: 18

約数和(自身を含む): 35691450774

約数和(自身を除く): 15575690786

約数列:

[1, 2, 4, 73, 146, 292, 5329, 10658, 21316, 943693, 1887386, 3774772, 68889589, 137779178, 275558356, 5028939997, 10057879994, 20115759988]

約数ペア:

[(1, 20115759988), (2, 10057879994), (4, 5028939997), (73, 275558356), (146, 137779178), (292, 68889589), (5329, 3774772), (10658, 1887386), (21316, 943693)]