20237721891

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1021}}^1\times {\mathrm{3121}}^1$

素因数の和:4247

約数の個数: 32

約数和(自身を含む): 28333273920

約数和(自身を除く): 8095552029

約数列:

[1, 3, 29, 73, 87, 219, 1021, 2117, 3063, 3121, 6351, 9363, 29609, 74533, 88827, 90509, 223599, 227833, 271527, 683499, 2161457, 3186541, 6484371, 6607157, 9559623, 19821471, 92409689, 232617493, 277229067, 697852479, 6745907297, 20237721891]

約数ペア:

[(1, 20237721891), (3, 6745907297), (29, 697852479), (73, 277229067), (87, 232617493), (219, 92409689), (1021, 19821471), (2117, 9559623), (3063, 6607157), (3121, 6484371), (6351, 3186541), (9363, 2161457), (29609, 683499), (74533, 271527), (88827, 227833), (90509, 223599)]