2016398980

素因数分解:

$2^2\times 5^1\times {\mathrm{100819949}}^1$

素因数の和:100819958

約数の個数: 12

約数和(自身を含む): 4234437900

約数和(自身を除く): 2218038920

約数列:

[1, 2, 4, 5, 10, 20, 100819949, 201639898, 403279796, 504099745, 1008199490, 2016398980]

約数ペア:

[(1, 2016398980), (2, 1008199490), (4, 504099745), (5, 403279796), (10, 201639898), (20, 100819949)]