20533484

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4253}}^1$

素因数の和:4345

約数の個数: 24

約数和(自身を含む): 38592288

約数和(自身を除く): 18058804

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 4253, 4828, 8506, 17012, 72301, 144602, 289204, 301963, 603926, 1207852, 5133371, 10266742, 20533484]

約数ペア:

[(1, 20533484), (2, 10266742), (4, 5133371), (17, 1207852), (34, 603926), (68, 301963), (71, 289204), (142, 144602), (284, 72301), (1207, 17012), (2414, 8506), (4253, 4828)]