20180858530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2591}}^1\times {\mathrm{111269}}^1$

素因数の和:113874

約数の個数: 32

約数和(自身を含む): 41531304960

約数和(自身を除く): 21350446430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2591, 5182, 12955, 18137, 25910, 36274, 90685, 111269, 181370, 222538, 556345, 778883, 1112690, 1557766, 3894415, 7788830, 288297979, 576595958, 1441489895, 2018085853, 2882979790, 4036171706, 10090429265, 20180858530]

約数ペア:

[(1, 20180858530), (2, 10090429265), (5, 4036171706), (7, 2882979790), (10, 2018085853), (14, 1441489895), (35, 576595958), (70, 288297979), (2591, 7788830), (5182, 3894415), (12955, 1557766), (18137, 1112690), (25910, 778883), (36274, 556345), (90685, 222538), (111269, 181370)]