22088020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12409}}^1$

素因数の和:12507

約数の個数: 24

約数和(自身を含む): 46909800

約数和(自身を除く): 24821780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 12409, 24818, 49636, 62045, 124090, 248180, 1104401, 2208802, 4417604, 5522005, 11044010, 22088020]

約数ペア:

[(1, 22088020), (2, 11044010), (4, 5522005), (5, 4417604), (10, 2208802), (20, 1104401), (89, 248180), (178, 124090), (356, 62045), (445, 49636), (890, 24818), (1780, 12409)]