20505212

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56333}}^1$

素因数の和:56357

約数の個数: 24

約数和(自身を含む): 44165856

約数和(自身を除く): 23660644

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 56333, 112666, 225332, 394331, 732329, 788662, 1464658, 1577324, 2929316, 5126303, 10252606, 20505212]

約数ペア:

[(1, 20505212), (2, 10252606), (4, 5126303), (7, 2929316), (13, 1577324), (14, 1464658), (26, 788662), (28, 732329), (52, 394331), (91, 225332), (182, 112666), (364, 56333)]