203415620

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{19447}}^1$

素因数の和:19979

約数の個数: 24

約数和(自身を含む): 428011584

約数和(自身を除く): 224595964

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 2092, 2615, 5230, 10460, 19447, 38894, 77788, 97235, 194470, 388940, 10170781, 20341562, 40683124, 50853905, 101707810, 203415620]

約数ペア:

[(1, 203415620), (2, 101707810), (4, 50853905), (5, 40683124), (10, 20341562), (20, 10170781), (523, 388940), (1046, 194470), (2092, 97235), (2615, 77788), (5230, 38894), (10460, 19447)]