20353500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4523}}^1$

素因数の和:4548

約数の個数: 72

約数和(自身を含む): 64222704

約数和(自身を除く): 43869204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 4523, 9046, 13569, 18092, 22615, 27138, 40707, 45230, 54276, 67845, 81414, 90460, 113075, 135690, 162828, 203535, 226150, 271380, 339225, 407070, 452300, 565375, 678450, 814140, 1017675, 1130750, 1356900, 1696125, 2035350, 2261500, 3392250, 4070700, 5088375, 6784500, 10176750, 20353500]

約数ペア:

[(1, 20353500), (2, 10176750), (3, 6784500), (4, 5088375), (5, 4070700), (6, 3392250), (9, 2261500), (10, 2035350), (12, 1696125), (15, 1356900), (18, 1130750), (20, 1017675), (25, 814140), (30, 678450), (36, 565375), (45, 452300), (50, 407070), (60, 339225), (75, 271380), (90, 226150), (100, 203535), (125, 162828), (150, 135690), (180, 113075), (225, 90460), (250, 81414), (300, 67845), (375, 54276), (450, 45230), (500, 40707), (750, 27138), (900, 22615), (1125, 18092), (1500, 13569), (2250, 9046), (4500, 4523)]