20188034440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72100123}}^1$

素因数の和:72100141

約数の個数: 32

約数和(自身を含む): 51912089280

約数和(自身を除く): 31724054840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72100123, 144200246, 288400492, 360500615, 504700861, 576800984, 721001230, 1009401722, 1442002460, 2018803444, 2523504305, 2884004920, 4037606888, 5047008610, 10094017220, 20188034440]

約数ペア:

[(1, 20188034440), (2, 10094017220), (4, 5047008610), (5, 4037606888), (7, 2884004920), (8, 2523504305), (10, 2018803444), (14, 1442002460), (20, 1009401722), (28, 721001230), (35, 576800984), (40, 504700861), (56, 360500615), (70, 288400492), (140, 144200246), (280, 72100123)]