20943911080

素因数分解:

$2^3\times 5^1\times {\mathrm{523597777}}^1$

素因数の和:523597788

約数の個数: 16

約数和(自身を含む): 47123800020

約数和(自身を除く): 26179888940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523597777, 1047195554, 2094391108, 2617988885, 4188782216, 5235977770, 10471955540, 20943911080]

約数ペア:

[(1, 20943911080), (2, 10471955540), (4, 5235977770), (5, 4188782216), (8, 2617988885), (10, 2094391108), (20, 1047195554), (40, 523597777)]