20608440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{863}}^1$

素因数の和:1076

約数の個数: 64

約数和(自身を含む): 62208000

約数和(自身を除く): 41599560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 863, 995, 1194, 1592, 1726, 1990, 2388, 2589, 2985, 3452, 3980, 4315, 4776, 5178, 5970, 6904, 7960, 8630, 10356, 11940, 12945, 17260, 20712, 23880, 25890, 34520, 51780, 103560, 171737, 343474, 515211, 686948, 858685, 1030422, 1373896, 1717370, 2060844, 2576055, 3434740, 4121688, 5152110, 6869480, 10304220, 20608440]

約数ペア:

[(1, 20608440), (2, 10304220), (3, 6869480), (4, 5152110), (5, 4121688), (6, 3434740), (8, 2576055), (10, 2060844), (12, 1717370), (15, 1373896), (20, 1030422), (24, 858685), (30, 686948), (40, 515211), (60, 343474), (120, 171737), (199, 103560), (398, 51780), (597, 34520), (796, 25890), (863, 23880), (995, 20712), (1194, 17260), (1592, 12945), (1726, 11940), (1990, 10356), (2388, 8630), (2589, 7960), (2985, 6904), (3452, 5970), (3980, 5178), (4315, 4776)]