20551438221

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{3433}}^1\times {\mathrm{42457}}^1$

素因数の和:45940

約数の個数: 16

約数和(自身を含む): 27993748224

約数和(自身を除く): 7442310003

約数列:

[1, 3, 47, 141, 3433, 10299, 42457, 127371, 161351, 484053, 1995479, 5986437, 145754881, 437264643, 6850479407, 20551438221]

約数ペア:

[(1, 20551438221), (3, 6850479407), (47, 437264643), (141, 145754881), (3433, 5986437), (10299, 1995479), (42457, 484053), (127371, 161351)]