20854528905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{3833}}^1\times {\mathrm{51817}}^1$

素因数の和:55665

約数の個数: 32

約数和(自身を含む): 38144680704

約数和(自身を除く): 17290151799

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 3833, 11499, 19165, 26831, 51817, 57495, 80493, 134155, 155451, 259085, 362719, 402465, 777255, 1088157, 1813595, 5440785, 198614561, 595843683, 993072805, 1390301927, 2979218415, 4170905781, 6951509635, 20854528905]

約数ペア:

[(1, 20854528905), (3, 6951509635), (5, 4170905781), (7, 2979218415), (15, 1390301927), (21, 993072805), (35, 595843683), (105, 198614561), (3833, 5440785), (11499, 1813595), (19165, 1088157), (26831, 777255), (51817, 402465), (57495, 362719), (80493, 259085), (134155, 155451)]