20253992

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 23291608

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 59, 83, 88, 94, 118, 166, 188, 236, 332, 376, 472, 517, 649, 664, 913, 1034, 1298, 1826, 2068, 2596, 2773, 3652, 3901, 4136, 4897, 5192, 5546, 7304, 7802, 9794, 11092, 15604, 19588, 22184, 30503, 31208, 39176, 42911, 53867, 61006, 85822, 107734, 122012, 171644, 215468, 230159, 244024, 343288, 430936, 460318, 920636, 1841272, 2531749, 5063498, 10126996, 20253992]

約数ペア:

[(1, 20253992), (2, 10126996), (4, 5063498), (8, 2531749), (11, 1841272), (22, 920636), (44, 460318), (47, 430936), (59, 343288), (83, 244024), (88, 230159), (94, 215468), (118, 171644), (166, 122012), (188, 107734), (236, 85822), (332, 61006), (376, 53867), (472, 42911), (517, 39176), (649, 31208), (664, 30503), (913, 22184), (1034, 19588), (1298, 15604), (1826, 11092), (2068, 9794), (2596, 7802), (2773, 7304), (3652, 5546), (3901, 5192), (4136, 4897)]