20628576

素因数分解:

$2^5\times 3^2\times {\mathrm{41}}^1\times {\mathrm{1747}}^1$

素因数の和:1804

約数の個数: 72

約数和(自身を含む): 60127704

約数和(自身を除く): 39499128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 41, 48, 72, 82, 96, 123, 144, 164, 246, 288, 328, 369, 492, 656, 738, 984, 1312, 1476, 1747, 1968, 2952, 3494, 3936, 5241, 5904, 6988, 10482, 11808, 13976, 15723, 20964, 27952, 31446, 41928, 55904, 62892, 71627, 83856, 125784, 143254, 167712, 214881, 251568, 286508, 429762, 503136, 573016, 644643, 859524, 1146032, 1289286, 1719048, 2292064, 2578572, 3438096, 5157144, 6876192, 10314288, 20628576]

約数ペア:

[(1, 20628576), (2, 10314288), (3, 6876192), (4, 5157144), (6, 3438096), (8, 2578572), (9, 2292064), (12, 1719048), (16, 1289286), (18, 1146032), (24, 859524), (32, 644643), (36, 573016), (41, 503136), (48, 429762), (72, 286508), (82, 251568), (96, 214881), (123, 167712), (144, 143254), (164, 125784), (246, 83856), (288, 71627), (328, 62892), (369, 55904), (492, 41928), (656, 31446), (738, 27952), (984, 20964), (1312, 15723), (1476, 13976), (1747, 11808), (1968, 10482), (2952, 6988), (3494, 5904), (3936, 5241)]