20117870991

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{158567}}^1$

素因数の和:158740

約数の個数: 32

約数和(自身を含む): 30850990080

約数和(自身を除く): 10733119089

約数列:

[1, 3, 9, 27, 37, 111, 127, 333, 381, 999, 1143, 3429, 4699, 14097, 42291, 126873, 158567, 475701, 1427103, 4281309, 5866979, 17600937, 20138009, 52802811, 60414027, 158408433, 181242081, 543726243, 745106333, 2235318999, 6705956997, 20117870991]

約数ペア:

[(1, 20117870991), (3, 6705956997), (9, 2235318999), (27, 745106333), (37, 543726243), (111, 181242081), (127, 158408433), (333, 60414027), (381, 52802811), (999, 20138009), (1143, 17600937), (3429, 5866979), (4699, 4281309), (14097, 1427103), (42291, 475701), (126873, 158567)]