20824672

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{883}}^1$

素因数の和:971

約数の個数: 48

約数和(自身を含む): 45444672

約数和(自身を除く): 24620000

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 67, 88, 134, 176, 268, 352, 536, 737, 883, 1072, 1474, 1766, 2144, 2948, 3532, 5896, 7064, 9713, 11792, 14128, 19426, 23584, 28256, 38852, 59161, 77704, 118322, 155408, 236644, 310816, 473288, 650771, 946576, 1301542, 1893152, 2603084, 5206168, 10412336, 20824672]

約数ペア:

[(1, 20824672), (2, 10412336), (4, 5206168), (8, 2603084), (11, 1893152), (16, 1301542), (22, 946576), (32, 650771), (44, 473288), (67, 310816), (88, 236644), (134, 155408), (176, 118322), (268, 77704), (352, 59161), (536, 38852), (737, 28256), (883, 23584), (1072, 19426), (1474, 14128), (1766, 11792), (2144, 9713), (2948, 7064), (3532, 5896)]