20188809

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1039}}^1$

素因数の和:1189

約数の個数: 24

約数和(自身を含む): 31150080

約数和(自身を除く): 10961271

約数列:

[1, 3, 9, 17, 51, 127, 153, 381, 1039, 1143, 2159, 3117, 6477, 9351, 17663, 19431, 52989, 131953, 158967, 395859, 1187577, 2243201, 6729603, 20188809]

約数ペア:

[(1, 20188809), (3, 6729603), (9, 2243201), (17, 1187577), (51, 395859), (127, 158967), (153, 131953), (381, 52989), (1039, 19431), (1143, 17663), (2159, 9351), (3117, 6477)]