20713728

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{3853}}^1$

素因数の和:3879

約数の個数: 72

約数和(自身を含む): 63020608

約数和(自身を除く): 42306880

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 672, 768, 896, 1344, 1792, 2688, 3853, 5376, 7706, 11559, 15412, 23118, 26971, 30824, 46236, 53942, 61648, 80913, 92472, 107884, 123296, 161826, 184944, 215768, 246592, 323652, 369888, 431536, 493184, 647304, 739776, 863072, 986368, 1294608, 1479552, 1726144, 2589216, 2959104, 3452288, 5178432, 6904576, 10356864, 20713728]

約数ペア:

[(1, 20713728), (2, 10356864), (3, 6904576), (4, 5178432), (6, 3452288), (7, 2959104), (8, 2589216), (12, 1726144), (14, 1479552), (16, 1294608), (21, 986368), (24, 863072), (28, 739776), (32, 647304), (42, 493184), (48, 431536), (56, 369888), (64, 323652), (84, 246592), (96, 215768), (112, 184944), (128, 161826), (168, 123296), (192, 107884), (224, 92472), (256, 80913), (336, 61648), (384, 53942), (448, 46236), (672, 30824), (768, 26971), (896, 23118), (1344, 15412), (1792, 11559), (2688, 7706), (3853, 5376)]