20038672

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{4457}}^1$

素因数の和:4746

約数の個数: 20

約数和(自身を含む): 38971836

約数和(自身を除く): 18933164

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4457, 4496, 8914, 17828, 35656, 71312, 1252417, 2504834, 5009668, 10019336, 20038672]

約数ペア:

[(1, 20038672), (2, 10019336), (4, 5009668), (8, 2504834), (16, 1252417), (281, 71312), (562, 35656), (1124, 17828), (2248, 8914), (4457, 4496)]