20349900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{7537}}^1$

素因数の和:7560

約数の個数: 72

約数和(自身を含む): 65429840

約数和(自身を除く): 45079940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700, 7537, 15074, 22611, 30148, 37685, 45222, 67833, 75370, 90444, 113055, 135666, 150740, 188425, 203499, 226110, 271332, 339165, 376850, 406998, 452220, 565275, 678330, 753700, 813996, 1017495, 1130550, 1356660, 1695825, 2034990, 2261100, 3391650, 4069980, 5087475, 6783300, 10174950, 20349900]

約数ペア:

[(1, 20349900), (2, 10174950), (3, 6783300), (4, 5087475), (5, 4069980), (6, 3391650), (9, 2261100), (10, 2034990), (12, 1695825), (15, 1356660), (18, 1130550), (20, 1017495), (25, 813996), (27, 753700), (30, 678330), (36, 565275), (45, 452220), (50, 406998), (54, 376850), (60, 339165), (75, 271332), (90, 226110), (100, 203499), (108, 188425), (135, 150740), (150, 135666), (180, 113055), (225, 90444), (270, 75370), (300, 67833), (450, 45222), (540, 37685), (675, 30148), (900, 22611), (1350, 15074), (2700, 7537)]