22615420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{26297}}^1$

素因数の和:26349

約数の個数: 24

約数和(自身を含む): 48598704

約数和(自身を除く): 25983284

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 26297, 52594, 105188, 131485, 262970, 525940, 1130771, 2261542, 4523084, 5653855, 11307710, 22615420]

約数ペア:

[(1, 22615420), (2, 11307710), (4, 5653855), (5, 4523084), (10, 2261542), (20, 1130771), (43, 525940), (86, 262970), (172, 131485), (215, 105188), (430, 52594), (860, 26297)]