20199421797

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{2617}}^1\times {\mathrm{7127}}^1$

素因数の和:9785

約数の個数: 24

約数和(自身を含む): 28439522496

約数和(自身を除く): 8240100699

約数列:

[1, 3, 19, 57, 361, 1083, 2617, 7127, 7851, 21381, 49723, 135413, 149169, 406239, 944737, 2572847, 2834211, 7718541, 18651359, 55954077, 354375821, 1063127463, 6733140599, 20199421797]

約数ペア:

[(1, 20199421797), (3, 6733140599), (19, 1063127463), (57, 354375821), (361, 55954077), (1083, 18651359), (2617, 7718541), (7127, 2834211), (7851, 2572847), (21381, 944737), (49723, 406239), (135413, 149169)]