20996870456

素因数分解:

$2^3\times {\mathrm{3037}}^1\times {\mathrm{864211}}^1$

素因数の和:867254

約数の個数: 16

約数和(自身を含む): 39382140840

約数和(自身を除く): 18385270384

約数列:

[1, 2, 4, 8, 3037, 6074, 12148, 24296, 864211, 1728422, 3456844, 6913688, 2624608807, 5249217614, 10498435228, 20996870456]

約数ペア:

[(1, 20996870456), (2, 10498435228), (4, 5249217614), (8, 2624608807), (3037, 6913688), (6074, 3456844), (12148, 1728422), (24296, 864211)]