20789400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{34649}}^1$

素因数の和:34668

約数の個数: 48

約数和(自身を含む): 64449000

約数和(自身を除く): 43659600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 300, 600, 34649, 69298, 103947, 138596, 173245, 207894, 277192, 346490, 415788, 519735, 692980, 831576, 866225, 1039470, 1385960, 1732450, 2078940, 2598675, 3464900, 4157880, 5197350, 6929800, 10394700, 20789400]

約数ペア:

[(1, 20789400), (2, 10394700), (3, 6929800), (4, 5197350), (5, 4157880), (6, 3464900), (8, 2598675), (10, 2078940), (12, 1732450), (15, 1385960), (20, 1039470), (24, 866225), (25, 831576), (30, 692980), (40, 519735), (50, 415788), (60, 346490), (75, 277192), (100, 207894), (120, 173245), (150, 138596), (200, 103947), (300, 69298), (600, 34649)]