20808280575

素因数分解:

$3^2\times 5^2\times {\mathrm{373}}^1\times {\mathrm{247939}}^1$

素因数の和:248328

約数の個数: 36

約数和(自身を含む): 37370012680

約数和(自身を除く): 16561732105

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 373, 1119, 1865, 3357, 5595, 9325, 16785, 27975, 83925, 247939, 743817, 1239695, 2231451, 3719085, 6198475, 11157255, 18595425, 55786275, 92481247, 277443741, 462406235, 832331223, 1387218705, 2312031175, 4161656115, 6936093525, 20808280575]

約数ペア:

[(1, 20808280575), (3, 6936093525), (5, 4161656115), (9, 2312031175), (15, 1387218705), (25, 832331223), (45, 462406235), (75, 277443741), (225, 92481247), (373, 55786275), (1119, 18595425), (1865, 11157255), (3357, 6198475), (5595, 3719085), (9325, 2231451), (16785, 1239695), (27975, 743817), (83925, 247939)]