20619845

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9437}}^1$

素因数の和:9484

約数の個数: 16

約数和(自身を含む): 27181440

約数和(自身を除く): 6561595

約数列:

[1, 5, 19, 23, 95, 115, 437, 2185, 9437, 47185, 179303, 217051, 896515, 1085255, 4123969, 20619845]

約数ペア:

[(1, 20619845), (5, 4123969), (19, 1085255), (23, 896515), (95, 217051), (115, 179303), (437, 47185), (2185, 9437)]