20581900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12107}}^1$

素因数の和:12138

約数の個数: 36

約数和(自身を含む): 47293848

約数和(自身を除く): 26711948

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 12107, 24214, 48428, 60535, 121070, 205819, 242140, 302675, 411638, 605350, 823276, 1029095, 1210700, 2058190, 4116380, 5145475, 10290950, 20581900]

約数ペア:

[(1, 20581900), (2, 10290950), (4, 5145475), (5, 4116380), (10, 2058190), (17, 1210700), (20, 1029095), (25, 823276), (34, 605350), (50, 411638), (68, 302675), (85, 242140), (100, 205819), (170, 121070), (340, 60535), (425, 48428), (850, 24214), (1700, 12107)]