20174879990

素因数分解:

$2^1\times 5^1\times {\mathrm{4271}}^1\times {\mathrm{472369}}^1$

素因数の和:476647

約数の個数: 16

約数和(自身を含む): 36323363520

約数和(自身を除く): 16148483530

約数列:

[1, 2, 5, 10, 4271, 8542, 21355, 42710, 472369, 944738, 2361845, 4723690, 2017487999, 4034975998, 10087439995, 20174879990]

約数ペア:

[(1, 20174879990), (2, 10087439995), (5, 4034975998), (10, 2017487999), (4271, 4723690), (8542, 2361845), (21355, 944738), (42710, 472369)]