2018667620

素因数分解:

$2^2\times 5^1\times {\mathrm{100933381}}^1$

素因数の和:100933390

約数の個数: 12

約数和(自身を含む): 4239202044

約数和(自身を除く): 2220534424

約数列:

[1, 2, 4, 5, 10, 20, 100933381, 201866762, 403733524, 504666905, 1009333810, 2018667620]

約数ペア:

[(1, 2018667620), (2, 1009333810), (4, 504666905), (5, 403733524), (10, 201866762), (20, 100933381)]