20828708

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4817}}^1$

素因数の和:4891

約数の個数: 24

約数和(自身を含む): 38852352

約数和(自身を除く): 18023644

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 1081, 2162, 4324, 4817, 9634, 19268, 110791, 221582, 226399, 443164, 452798, 905596, 5207177, 10414354, 20828708]

約数ペア:

[(1, 20828708), (2, 10414354), (4, 5207177), (23, 905596), (46, 452798), (47, 443164), (92, 226399), (94, 221582), (188, 110791), (1081, 19268), (2162, 9634), (4324, 4817)]