20157545

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{7621}}^1$

素因数の和:7672

約数の個数: 12

約数和(自身を含む): 25289796

約数和(自身を除く): 5132251

約数列:

[1, 5, 23, 115, 529, 2645, 7621, 38105, 175283, 876415, 4031509, 20157545]

約数ペア:

[(1, 20157545), (5, 4031509), (23, 876415), (115, 175283), (529, 38105), (2645, 7621)]