20071712

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:585

約数の個数: 48

約数和(自身を含む): 41912640

約数和(自身を除く): 21840928

約数列:

[1, 2, 4, 8, 16, 29, 32, 43, 58, 86, 116, 172, 232, 344, 464, 503, 688, 928, 1006, 1247, 1376, 2012, 2494, 4024, 4988, 8048, 9976, 14587, 16096, 19952, 21629, 29174, 39904, 43258, 58348, 86516, 116696, 173032, 233392, 346064, 466784, 627241, 692128, 1254482, 2508964, 5017928, 10035856, 20071712]

約数ペア:

[(1, 20071712), (2, 10035856), (4, 5017928), (8, 2508964), (16, 1254482), (29, 692128), (32, 627241), (43, 466784), (58, 346064), (86, 233392), (116, 173032), (172, 116696), (232, 86516), (344, 58348), (464, 43258), (503, 39904), (688, 29174), (928, 21629), (1006, 19952), (1247, 16096), (1376, 14587), (2012, 9976), (2494, 8048), (4024, 4988)]