17121820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{9619}}^1$

素因数の和:9717

約数の個数: 24

約数和(自身を含む): 36363600

約数和(自身を除く): 19241780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 9619, 19238, 38476, 48095, 96190, 192380, 856091, 1712182, 3424364, 4280455, 8560910, 17121820]

約数ペア:

[(1, 17121820), (2, 8560910), (4, 4280455), (5, 3424364), (10, 1712182), (20, 856091), (89, 192380), (178, 96190), (356, 48095), (445, 38476), (890, 19238), (1780, 9619)]