17869420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10039}}^1$

素因数の和:10137

約数の個数: 24

約数和(自身を含む): 37951200

約数和(自身を除く): 20081780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 10039, 20078, 40156, 50195, 100390, 200780, 893471, 1786942, 3573884, 4467355, 8934710, 17869420]

約数ペア:

[(1, 17869420), (2, 8934710), (4, 4467355), (5, 3573884), (10, 1786942), (20, 893471), (89, 200780), (178, 100390), (356, 50195), (445, 40156), (890, 20078), (1780, 10039)]