20097620

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{12107}}^1$

素因数の和:12199

約数の個数: 24

約数和(自身を含む): 42717024

約数和(自身を除く): 22619404

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 12107, 24214, 48428, 60535, 121070, 242140, 1004881, 2009762, 4019524, 5024405, 10048810, 20097620]

約数ペア:

[(1, 20097620), (2, 10048810), (4, 5024405), (5, 4019524), (10, 2009762), (20, 1004881), (83, 242140), (166, 121070), (332, 60535), (415, 48428), (830, 24214), (1660, 12107)]