20201868

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{6761}}^1$

素因数の和:6854

約数の個数: 36

約数和(自身を含む): 51688728

約数和(自身を除く): 31486860

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 166, 249, 332, 498, 747, 996, 1494, 2988, 6761, 13522, 20283, 27044, 40566, 60849, 81132, 121698, 243396, 561163, 1122326, 1683489, 2244652, 3366978, 5050467, 6733956, 10100934, 20201868]

約数ペア:

[(1, 20201868), (2, 10100934), (3, 6733956), (4, 5050467), (6, 3366978), (9, 2244652), (12, 1683489), (18, 1122326), (36, 561163), (83, 243396), (166, 121698), (249, 81132), (332, 60849), (498, 40566), (747, 27044), (996, 20283), (1494, 13522), (2988, 6761)]