20145705064

素因数分解:

$2^3\times {\mathrm{5783}}^1\times {\mathrm{435451}}^1$

素因数の和:441240

約数の個数: 16

約数和(自身を含む): 37779815520

約数和(自身を除く): 17634110456

約数列:

[1, 2, 4, 8, 5783, 11566, 23132, 46264, 435451, 870902, 1741804, 3483608, 2518213133, 5036426266, 10072852532, 20145705064]

約数ペア:

[(1, 20145705064), (2, 10072852532), (4, 5036426266), (8, 2518213133), (5783, 3483608), (11566, 1741804), (23132, 870902), (46264, 435451)]