20518644670

素因数分解:

$2^1\times 5^1\times {\mathrm{18049}}^1\times {\mathrm{113683}}^1$

素因数の和:131739

約数の個数: 16

約数和(自身を含む): 36935931600

約数和(自身を除く): 16417286930

約数列:

[1, 2, 5, 10, 18049, 36098, 90245, 113683, 180490, 227366, 568415, 1136830, 2051864467, 4103728934, 10259322335, 20518644670]

約数ペア:

[(1, 20518644670), (2, 10259322335), (5, 4103728934), (10, 2051864467), (18049, 1136830), (36098, 568415), (90245, 227366), (113683, 180490)]