20389104

素因数分解:

$2^4\times 3^3\times {\mathrm{109}}^1\times {\mathrm{433}}^1$

素因数の和:559

約数の個数: 80

約数和(自身を含む): 59197600

約数和(自身を除く): 38808496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 109, 144, 216, 218, 327, 432, 433, 436, 654, 866, 872, 981, 1299, 1308, 1732, 1744, 1962, 2598, 2616, 2943, 3464, 3897, 3924, 5196, 5232, 5886, 6928, 7794, 7848, 10392, 11691, 11772, 15588, 15696, 20784, 23382, 23544, 31176, 46764, 47088, 47197, 62352, 93528, 94394, 141591, 187056, 188788, 283182, 377576, 424773, 566364, 755152, 849546, 1132728, 1274319, 1699092, 2265456, 2548638, 3398184, 5097276, 6796368, 10194552, 20389104]

約数ペア:

[(1, 20389104), (2, 10194552), (3, 6796368), (4, 5097276), (6, 3398184), (8, 2548638), (9, 2265456), (12, 1699092), (16, 1274319), (18, 1132728), (24, 849546), (27, 755152), (36, 566364), (48, 424773), (54, 377576), (72, 283182), (108, 188788), (109, 187056), (144, 141591), (216, 94394), (218, 93528), (327, 62352), (432, 47197), (433, 47088), (436, 46764), (654, 31176), (866, 23544), (872, 23382), (981, 20784), (1299, 15696), (1308, 15588), (1732, 11772), (1744, 11691), (1962, 10392), (2598, 7848), (2616, 7794), (2943, 6928), (3464, 5886), (3897, 5232), (3924, 5196)]