20217472

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 44724960

約数和(自身を除く): 24507488

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 83, 88, 128, 166, 173, 176, 332, 346, 352, 664, 692, 704, 913, 1328, 1384, 1408, 1826, 1903, 2656, 2768, 3652, 3806, 5312, 5536, 7304, 7612, 10624, 11072, 14359, 14608, 15224, 22144, 28718, 29216, 30448, 57436, 58432, 60896, 114872, 116864, 121792, 157949, 229744, 243584, 315898, 459488, 631796, 918976, 1263592, 1837952, 2527184, 5054368, 10108736, 20217472]

約数ペア:

[(1, 20217472), (2, 10108736), (4, 5054368), (8, 2527184), (11, 1837952), (16, 1263592), (22, 918976), (32, 631796), (44, 459488), (64, 315898), (83, 243584), (88, 229744), (128, 157949), (166, 121792), (173, 116864), (176, 114872), (332, 60896), (346, 58432), (352, 57436), (664, 30448), (692, 29216), (704, 28718), (913, 22144), (1328, 15224), (1384, 14608), (1408, 14359), (1826, 11072), (1903, 10624), (2656, 7612), (2768, 7304), (3652, 5536), (3806, 5312)]