20355912

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{9749}}^1$

素因数の和:9790

約数の個数: 48

約数和(自身を含む): 57037500

約数和(自身を除く): 36681588

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 261, 348, 522, 696, 1044, 2088, 9749, 19498, 29247, 38996, 58494, 77992, 87741, 116988, 175482, 233976, 282721, 350964, 565442, 701928, 848163, 1130884, 1696326, 2261768, 2544489, 3392652, 5088978, 6785304, 10177956, 20355912]

約数ペア:

[(1, 20355912), (2, 10177956), (3, 6785304), (4, 5088978), (6, 3392652), (8, 2544489), (9, 2261768), (12, 1696326), (18, 1130884), (24, 848163), (29, 701928), (36, 565442), (58, 350964), (72, 282721), (87, 233976), (116, 175482), (174, 116988), (232, 87741), (261, 77992), (348, 58494), (522, 38996), (696, 29247), (1044, 19498), (2088, 9749)]