20545952

素因数分解:

$2^5\times 7^1\times {\mathrm{37}}^2\times {\mathrm{67}}^1$

素因数の和:158

約数の個数: 72

約数和(自身を含む): 48220704

約数和(自身を除く): 27674752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 67, 74, 112, 134, 148, 224, 259, 268, 296, 469, 518, 536, 592, 938, 1036, 1072, 1184, 1369, 1876, 2072, 2144, 2479, 2738, 3752, 4144, 4958, 5476, 7504, 8288, 9583, 9916, 10952, 15008, 17353, 19166, 19832, 21904, 34706, 38332, 39664, 43808, 69412, 76664, 79328, 91723, 138824, 153328, 183446, 277648, 306656, 366892, 555296, 642061, 733784, 1284122, 1467568, 2568244, 2935136, 5136488, 10272976, 20545952]

約数ペア:

[(1, 20545952), (2, 10272976), (4, 5136488), (7, 2935136), (8, 2568244), (14, 1467568), (16, 1284122), (28, 733784), (32, 642061), (37, 555296), (56, 366892), (67, 306656), (74, 277648), (112, 183446), (134, 153328), (148, 138824), (224, 91723), (259, 79328), (268, 76664), (296, 69412), (469, 43808), (518, 39664), (536, 38332), (592, 34706), (938, 21904), (1036, 19832), (1072, 19166), (1184, 17353), (1369, 15008), (1876, 10952), (2072, 9916), (2144, 9583), (2479, 8288), (2738, 7504), (3752, 5476), (4144, 4958)]