20983575

素因数分解:

$3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{2203}}^1$

素因数の和:2343

約数の個数: 24

約数和(自身を含む): 34981888

約数和(自身を除く): 13998313

約数列:

[1, 3, 5, 15, 25, 75, 127, 381, 635, 1905, 2203, 3175, 6609, 9525, 11015, 33045, 55075, 165225, 279781, 839343, 1398905, 4196715, 6994525, 20983575]

約数ペア:

[(1, 20983575), (3, 6994525), (5, 4196715), (15, 1398905), (25, 839343), (75, 279781), (127, 165225), (381, 55075), (635, 33045), (1905, 11015), (2203, 9525), (3175, 6609)]