20698516025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{10499}}^1$

素因数の和:10694

約数の個数: 48

約数和(自身を含む): 28685664000

約数和(自身を除く): 7987147975

約数列:

[1, 5, 11, 25, 55, 67, 107, 275, 335, 535, 737, 1177, 1675, 2675, 3685, 5885, 7169, 10499, 18425, 29425, 35845, 52495, 78859, 115489, 179225, 262475, 394295, 577445, 703433, 1123393, 1971475, 2887225, 3517165, 5616965, 7737763, 12357323, 17585825, 28084825, 38688815, 61786615, 75267331, 193444075, 308933075, 376336655, 827940641, 1881683275, 4139703205, 20698516025]

約数ペア:

[(1, 20698516025), (5, 4139703205), (11, 1881683275), (25, 827940641), (55, 376336655), (67, 308933075), (107, 193444075), (275, 75267331), (335, 61786615), (535, 38688815), (737, 28084825), (1177, 17585825), (1675, 12357323), (2675, 7737763), (3685, 5616965), (5885, 3517165), (7169, 2887225), (10499, 1971475), (18425, 1123393), (29425, 703433), (35845, 577445), (52495, 394295), (78859, 262475), (115489, 179225)]