20118900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{337}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 58676800

約数和(自身を除く): 38557900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 199, 300, 337, 398, 597, 674, 796, 995, 1011, 1194, 1348, 1685, 1990, 2022, 2388, 2985, 3370, 3980, 4044, 4975, 5055, 5970, 6740, 8425, 9950, 10110, 11940, 14925, 16850, 19900, 20220, 25275, 29850, 33700, 50550, 59700, 67063, 101100, 134126, 201189, 268252, 335315, 402378, 670630, 804756, 1005945, 1341260, 1676575, 2011890, 3353150, 4023780, 5029725, 6706300, 10059450, 20118900]

約数ペア:

[(1, 20118900), (2, 10059450), (3, 6706300), (4, 5029725), (5, 4023780), (6, 3353150), (10, 2011890), (12, 1676575), (15, 1341260), (20, 1005945), (25, 804756), (30, 670630), (50, 402378), (60, 335315), (75, 268252), (100, 201189), (150, 134126), (199, 101100), (300, 67063), (337, 59700), (398, 50550), (597, 33700), (674, 29850), (796, 25275), (995, 20220), (1011, 19900), (1194, 16850), (1348, 14925), (1685, 11940), (1990, 10110), (2022, 9950), (2388, 8425), (2985, 6740), (3370, 5970), (3980, 5055), (4044, 4975)]