20147445

素因数分解:

$3^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{967}}^1$

素因数の和:1441

約数の個数: 24

約数和(自身を含む): 35033856

約数和(自身を除く): 14886411

約数列:

[1, 3, 5, 9, 15, 45, 463, 967, 1389, 2315, 2901, 4167, 4835, 6945, 8703, 14505, 20835, 43515, 447721, 1343163, 2238605, 4029489, 6715815, 20147445]

約数ペア:

[(1, 20147445), (3, 6715815), (5, 4029489), (9, 2238605), (15, 1343163), (45, 447721), (463, 43515), (967, 20835), (1389, 14505), (2315, 8703), (2901, 6945), (4167, 4835)]