20586100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{5021}}^1$

素因数の和:5076

約数の個数: 36

約数和(自身を含む): 45770508

約数和(自身を除く): 25184408

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 5021, 10042, 20084, 25105, 50210, 100420, 125525, 205861, 251050, 411722, 502100, 823444, 1029305, 2058610, 4117220, 5146525, 10293050, 20586100]

約数ペア:

[(1, 20586100), (2, 10293050), (4, 5146525), (5, 4117220), (10, 2058610), (20, 1029305), (25, 823444), (41, 502100), (50, 411722), (82, 251050), (100, 205861), (164, 125525), (205, 100420), (410, 50210), (820, 25105), (1025, 20084), (2050, 10042), (4100, 5021)]