20931608

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{49367}}^1$

素因数の和:49426

約数の個数: 16

約数和(自身を含む): 39988080

約数和(自身を除く): 19056472

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 49367, 98734, 197468, 394936, 2616451, 5232902, 10465804, 20931608]

約数ペア:

[(1, 20931608), (2, 10465804), (4, 5232902), (8, 2616451), (53, 394936), (106, 197468), (212, 98734), (424, 49367)]