20348633740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{800497}}^1$

素因数の和:800578

約数の個数: 48

約数和(自身を含む): 45186511104

約数和(自身を除く): 24837877364

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 2542, 5084, 6355, 12710, 25420, 800497, 1600994, 3201988, 4002485, 8004970, 16009940, 24815407, 32820377, 49630814, 65640754, 99261628, 124077035, 131281508, 164101885, 248154070, 328203770, 496308140, 656407540, 1017431687, 2034863374, 4069726748, 5087158435, 10174316870, 20348633740]

約数ペア:

[(1, 20348633740), (2, 10174316870), (4, 5087158435), (5, 4069726748), (10, 2034863374), (20, 1017431687), (31, 656407540), (41, 496308140), (62, 328203770), (82, 248154070), (124, 164101885), (155, 131281508), (164, 124077035), (205, 99261628), (310, 65640754), (410, 49630814), (620, 32820377), (820, 24815407), (1271, 16009940), (2542, 8004970), (5084, 4002485), (6355, 3201988), (12710, 1600994), (25420, 800497)]