20227320980

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{571}}^1\times {\mathrm{3637}}^1$

素因数の和:4704

約数の個数: 48

約数和(自身を含む): 42650864256

約数和(自身を除く): 22423543276

約数列:

[1, 2, 4, 5, 10, 20, 487, 571, 974, 1142, 1948, 2284, 2435, 2855, 3637, 4870, 5710, 7274, 9740, 11420, 14548, 18185, 36370, 72740, 278077, 556154, 1112308, 1390385, 1771219, 2076727, 2780770, 3542438, 4153454, 5561540, 7084876, 8306908, 8856095, 10383635, 17712190, 20767270, 35424380, 41534540, 1011366049, 2022732098, 4045464196, 5056830245, 10113660490, 20227320980]

約数ペア:

[(1, 20227320980), (2, 10113660490), (4, 5056830245), (5, 4045464196), (10, 2022732098), (20, 1011366049), (487, 41534540), (571, 35424380), (974, 20767270), (1142, 17712190), (1948, 10383635), (2284, 8856095), (2435, 8306908), (2855, 7084876), (3637, 5561540), (4870, 4153454), (5710, 3542438), (7274, 2780770), (9740, 2076727), (11420, 1771219), (14548, 1390385), (18185, 1112308), (36370, 556154), (72740, 278077)]