20219580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{112331}}^1$

素因数の和:112346

約数の個数: 36

約数和(自身を含む): 61333272

約数和(自身を除く): 41113692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 112331, 224662, 336993, 449324, 561655, 673986, 1010979, 1123310, 1347972, 1684965, 2021958, 2246620, 3369930, 4043916, 5054895, 6739860, 10109790, 20219580]

約数ペア:

[(1, 20219580), (2, 10109790), (3, 6739860), (4, 5054895), (5, 4043916), (6, 3369930), (9, 2246620), (10, 2021958), (12, 1684965), (15, 1347972), (18, 1123310), (20, 1010979), (30, 673986), (36, 561655), (45, 449324), (60, 336993), (90, 224662), (180, 112331)]