20988336

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^3\times {\mathrm{89}}^1$

素因数の和:151

約数の個数: 80

約数和(自身を含む): 58255200

約数和(自身を除く): 37266864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 89, 102, 136, 178, 204, 267, 272, 289, 356, 408, 534, 578, 712, 816, 867, 1068, 1156, 1424, 1513, 1734, 2136, 2312, 3026, 3468, 4272, 4539, 4624, 4913, 6052, 6936, 9078, 9826, 12104, 13872, 14739, 18156, 19652, 24208, 25721, 29478, 36312, 39304, 51442, 58956, 72624, 77163, 78608, 102884, 117912, 154326, 205768, 235824, 308652, 411536, 437257, 617304, 874514, 1234608, 1311771, 1749028, 2623542, 3498056, 5247084, 6996112, 10494168, 20988336]

約数ペア:

[(1, 20988336), (2, 10494168), (3, 6996112), (4, 5247084), (6, 3498056), (8, 2623542), (12, 1749028), (16, 1311771), (17, 1234608), (24, 874514), (34, 617304), (48, 437257), (51, 411536), (68, 308652), (89, 235824), (102, 205768), (136, 154326), (178, 117912), (204, 102884), (267, 78608), (272, 77163), (289, 72624), (356, 58956), (408, 51442), (534, 39304), (578, 36312), (712, 29478), (816, 25721), (867, 24208), (1068, 19652), (1156, 18156), (1424, 14739), (1513, 13872), (1734, 12104), (2136, 9826), (2312, 9078), (3026, 6936), (3468, 6052), (4272, 4913), (4539, 4624)]