20493216

素因数分解:

$2^5\times 3^3\times {\mathrm{23719}}^1$

素因数の和:23738

約数の個数: 48

約数和(自身を含む): 59774400

約数和(自身を除く): 39281184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864, 23719, 47438, 71157, 94876, 142314, 189752, 213471, 284628, 379504, 426942, 569256, 640413, 759008, 853884, 1138512, 1280826, 1707768, 2277024, 2561652, 3415536, 5123304, 6831072, 10246608, 20493216]

約数ペア:

[(1, 20493216), (2, 10246608), (3, 6831072), (4, 5123304), (6, 3415536), (8, 2561652), (9, 2277024), (12, 1707768), (16, 1280826), (18, 1138512), (24, 853884), (27, 759008), (32, 640413), (36, 569256), (48, 426942), (54, 379504), (72, 284628), (96, 213471), (108, 189752), (144, 142314), (216, 94876), (288, 71157), (432, 47438), (864, 23719)]