20178567

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2267}}^1$

素因数の和:2339

約数の個数: 24

約数和(自身を含む): 31135104

約数和(自身を除く): 10956537

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2267, 2967, 6801, 8901, 20403, 52141, 97481, 156423, 292443, 469269, 877329, 2242063, 6726189, 20178567]

約数ペア:

[(1, 20178567), (3, 6726189), (9, 2242063), (23, 877329), (43, 469269), (69, 292443), (129, 156423), (207, 97481), (387, 52141), (989, 20403), (2267, 8901), (2967, 6801)]