20144097785

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1\times {\mathrm{22721}}^1$

素因数の和:23153

約数の個数: 32

約数和(自身を含む): 28086573312

約数和(自身を除く): 7942475527

約数列:

[1, 5, 7, 35, 73, 347, 365, 511, 1735, 2429, 2555, 12145, 22721, 25331, 113605, 126655, 159047, 177317, 795235, 886585, 1658633, 7884187, 8293165, 11610431, 39420935, 55189309, 58052155, 275946545, 575545651, 2877728255, 4028819557, 20144097785]

約数ペア:

[(1, 20144097785), (5, 4028819557), (7, 2877728255), (35, 575545651), (73, 275946545), (347, 58052155), (365, 55189309), (511, 39420935), (1735, 11610431), (2429, 8293165), (2555, 7884187), (12145, 1658633), (22721, 886585), (25331, 795235), (113605, 177317), (126655, 159047)]