20809500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13873}}^1$

素因数の和:13895

約数の個数: 48

約数和(自身を含む): 60601632

約数和(自身を除く): 39792132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1500, 13873, 27746, 41619, 55492, 69365, 83238, 138730, 166476, 208095, 277460, 346825, 416190, 693650, 832380, 1040475, 1387300, 1734125, 2080950, 3468250, 4161900, 5202375, 6936500, 10404750, 20809500]

約数ペア:

[(1, 20809500), (2, 10404750), (3, 6936500), (4, 5202375), (5, 4161900), (6, 3468250), (10, 2080950), (12, 1734125), (15, 1387300), (20, 1040475), (25, 832380), (30, 693650), (50, 416190), (60, 346825), (75, 277460), (100, 208095), (125, 166476), (150, 138730), (250, 83238), (300, 69365), (375, 55492), (500, 41619), (750, 27746), (1500, 13873)]