20858423031

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{4273}}^1$

素因数の和:4560

約数の個数: 48

約数和(自身を含む): 31467649824

約数和(自身を除く): 10609226793

約数列:

[1, 3, 9, 37, 107, 111, 137, 321, 333, 411, 963, 1233, 3959, 4273, 5069, 11877, 12819, 14659, 15207, 35631, 38457, 43977, 45621, 131931, 158101, 457211, 474303, 542383, 585401, 1371633, 1422909, 1627149, 1756203, 4114899, 4881447, 5268609, 16916807, 21659837, 50750421, 62637907, 64979511, 152251263, 187913721, 194938533, 563741163, 2317602559, 6952807677, 20858423031]

約数ペア:

[(1, 20858423031), (3, 6952807677), (9, 2317602559), (37, 563741163), (107, 194938533), (111, 187913721), (137, 152251263), (321, 64979511), (333, 62637907), (411, 50750421), (963, 21659837), (1233, 16916807), (3959, 5268609), (4273, 4881447), (5069, 4114899), (11877, 1756203), (12819, 1627149), (14659, 1422909), (15207, 1371633), (35631, 585401), (38457, 542383), (43977, 474303), (45621, 457211), (131931, 158101)]