20180488540

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{2810653}}^1$

素因数の和:2811021

約数の個数: 24

約数和(自身を含む): 42497088480

約数和(自身を除く): 22316599940

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 3590, 7180, 2810653, 5621306, 11242612, 14053265, 28106530, 56213060, 1009024427, 2018048854, 4036097708, 5045122135, 10090244270, 20180488540]

約数ペア:

[(1, 20180488540), (2, 10090244270), (4, 5045122135), (5, 4036097708), (10, 2018048854), (20, 1009024427), (359, 56213060), (718, 28106530), (1436, 14053265), (1795, 11242612), (3590, 5621306), (7180, 2810653)]