20217928

素因数分解:

$2^3\times {\mathrm{677}}^1\times {\mathrm{3733}}^1$

素因数の和:4416

約数の個数: 16

約数和(自身を含む): 37974780

約数和(自身を除く): 17756852

約数列:

[1, 2, 4, 8, 677, 1354, 2708, 3733, 5416, 7466, 14932, 29864, 2527241, 5054482, 10108964, 20217928]

約数ペア:

[(1, 20217928), (2, 10108964), (4, 5054482), (8, 2527241), (677, 29864), (1354, 14932), (2708, 7466), (3733, 5416)]