20116872

素因数分解:

$2^3\times 3^2\times {\mathrm{271}}^1\times {\mathrm{1031}}^1$

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 54737280

約数和(自身を除く): 34620408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 271, 542, 813, 1031, 1084, 1626, 2062, 2168, 2439, 3093, 3252, 4124, 4878, 6186, 6504, 8248, 9279, 9756, 12372, 18558, 19512, 24744, 37116, 74232, 279401, 558802, 838203, 1117604, 1676406, 2235208, 2514609, 3352812, 5029218, 6705624, 10058436, 20116872]

約数ペア:

[(1, 20116872), (2, 10058436), (3, 6705624), (4, 5029218), (6, 3352812), (8, 2514609), (9, 2235208), (12, 1676406), (18, 1117604), (24, 838203), (36, 558802), (72, 279401), (271, 74232), (542, 37116), (813, 24744), (1031, 19512), (1084, 18558), (1626, 12372), (2062, 9756), (2168, 9279), (2439, 8248), (3093, 6504), (3252, 6186), (4124, 4878)]