20187070

素因数分解:

$2^1\times 5^1\times {\mathrm{827}}^1\times {\mathrm{2441}}^1$

素因数の和:3275

約数の個数: 16

約数和(自身を含む): 36395568

約数和(自身を除く): 16208498

約数列:

[1, 2, 5, 10, 827, 1654, 2441, 4135, 4882, 8270, 12205, 24410, 2018707, 4037414, 10093535, 20187070]

約数ペア:

[(1, 20187070), (2, 10093535), (5, 4037414), (10, 2018707), (827, 24410), (1654, 12205), (2441, 8270), (4135, 4882)]