20186901875

素因数分解:

$5^4\times 7^1\times {\mathrm{461}}^1\times {\mathrm{10009}}^1$

素因数の和:10497

約数の個数: 40

約数和(自身を含む): 28894625760

約数和(自身を除く): 8707723885

約数列:

[1, 5, 7, 25, 35, 125, 175, 461, 625, 875, 2305, 3227, 4375, 10009, 11525, 16135, 50045, 57625, 70063, 80675, 250225, 288125, 350315, 403375, 1251125, 1751575, 2016875, 4614149, 6255625, 8757875, 23070745, 32299043, 43789375, 115353725, 161495215, 576768625, 807476075, 2883843125, 4037380375, 20186901875]

約数ペア:

[(1, 20186901875), (5, 4037380375), (7, 2883843125), (25, 807476075), (35, 576768625), (125, 161495215), (175, 115353725), (461, 43789375), (625, 32299043), (875, 23070745), (2305, 8757875), (3227, 6255625), (4375, 4614149), (10009, 2016875), (11525, 1751575), (16135, 1251125), (50045, 403375), (57625, 350315), (70063, 288125), (80675, 250225)]