20461680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9473}}^1$

素因数の和:9495

約数の個数: 80

約数和(自身を含む): 70486560

約数和(自身を除く): 50024880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9473, 18946, 28419, 37892, 47365, 56838, 75784, 85257, 94730, 113676, 142095, 151568, 170514, 189460, 227352, 255771, 284190, 341028, 378920, 426285, 454704, 511542, 568380, 682056, 757840, 852570, 1023084, 1136760, 1278855, 1364112, 1705140, 2046168, 2273520, 2557710, 3410280, 4092336, 5115420, 6820560, 10230840, 20461680]

約数ペア:

[(1, 20461680), (2, 10230840), (3, 6820560), (4, 5115420), (5, 4092336), (6, 3410280), (8, 2557710), (9, 2273520), (10, 2046168), (12, 1705140), (15, 1364112), (16, 1278855), (18, 1136760), (20, 1023084), (24, 852570), (27, 757840), (30, 682056), (36, 568380), (40, 511542), (45, 454704), (48, 426285), (54, 378920), (60, 341028), (72, 284190), (80, 255771), (90, 227352), (108, 189460), (120, 170514), (135, 151568), (144, 142095), (180, 113676), (216, 94730), (240, 85257), (270, 75784), (360, 56838), (432, 47365), (540, 37892), (720, 28419), (1080, 18946), (2160, 9473)]