20601216

素因数分解:

$2^7\times 3^4\times {\mathrm{1987}}^1$

素因数の和:2013

約数の個数: 80

約数和(自身を含む): 61339740

約数和(自身を除く): 40738524

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 288, 324, 384, 432, 576, 648, 864, 1152, 1296, 1728, 1987, 2592, 3456, 3974, 5184, 5961, 7948, 10368, 11922, 15896, 17883, 23844, 31792, 35766, 47688, 53649, 63584, 71532, 95376, 107298, 127168, 143064, 160947, 190752, 214596, 254336, 286128, 321894, 381504, 429192, 572256, 643788, 763008, 858384, 1144512, 1287576, 1716768, 2289024, 2575152, 3433536, 5150304, 6867072, 10300608, 20601216]

約数ペア:

[(1, 20601216), (2, 10300608), (3, 6867072), (4, 5150304), (6, 3433536), (8, 2575152), (9, 2289024), (12, 1716768), (16, 1287576), (18, 1144512), (24, 858384), (27, 763008), (32, 643788), (36, 572256), (48, 429192), (54, 381504), (64, 321894), (72, 286128), (81, 254336), (96, 214596), (108, 190752), (128, 160947), (144, 143064), (162, 127168), (192, 107298), (216, 95376), (288, 71532), (324, 63584), (384, 53649), (432, 47688), (576, 35766), (648, 31792), (864, 23844), (1152, 17883), (1296, 15896), (1728, 11922), (1987, 10368), (2592, 7948), (3456, 5961), (3974, 5184)]