20902193

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1319}}^1$

素因数の和:1408

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 3047887

約数列:

[1, 13, 23, 53, 299, 689, 1219, 1319, 15847, 17147, 30337, 69907, 394381, 908791, 1607861, 20902193]

約数ペア:

[(1, 20902193), (13, 1607861), (23, 908791), (53, 394381), (299, 69907), (689, 30337), (1219, 17147), (1319, 15847)]