20165264

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^2\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 90

約数和(自身を含む): 48822210

約数和(自身を除く): 28656946

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 68, 89, 98, 112, 119, 136, 178, 196, 238, 272, 289, 356, 392, 476, 578, 623, 712, 784, 833, 952, 1156, 1246, 1424, 1513, 1666, 1904, 2023, 2312, 2492, 3026, 3332, 4046, 4361, 4624, 4984, 6052, 6664, 8092, 8722, 9968, 10591, 12104, 13328, 14161, 16184, 17444, 21182, 24208, 25721, 28322, 32368, 34888, 42364, 51442, 56644, 69776, 74137, 84728, 102884, 113288, 148274, 169456, 180047, 205768, 226576, 296548, 360094, 411536, 593096, 720188, 1186192, 1260329, 1440376, 2520658, 2880752, 5041316, 10082632, 20165264]

約数ペア:

[(1, 20165264), (2, 10082632), (4, 5041316), (7, 2880752), (8, 2520658), (14, 1440376), (16, 1260329), (17, 1186192), (28, 720188), (34, 593096), (49, 411536), (56, 360094), (68, 296548), (89, 226576), (98, 205768), (112, 180047), (119, 169456), (136, 148274), (178, 113288), (196, 102884), (238, 84728), (272, 74137), (289, 69776), (356, 56644), (392, 51442), (476, 42364), (578, 34888), (623, 32368), (712, 28322), (784, 25721), (833, 24208), (952, 21182), (1156, 17444), (1246, 16184), (1424, 14161), (1513, 13328), (1666, 12104), (1904, 10591), (2023, 9968), (2312, 8722), (2492, 8092), (3026, 6664), (3332, 6052), (4046, 4984), (4361, 4624)]