20431544

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{547}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 47347200

約数和(自身を除く): 26915656

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 29, 46, 56, 58, 92, 116, 161, 184, 203, 232, 322, 406, 547, 644, 667, 812, 1094, 1288, 1334, 1624, 2188, 2668, 3829, 4376, 4669, 5336, 7658, 9338, 12581, 15316, 15863, 18676, 25162, 30632, 31726, 37352, 50324, 63452, 88067, 100648, 111041, 126904, 176134, 222082, 352268, 364849, 444164, 704536, 729698, 888328, 1459396, 2553943, 2918792, 5107886, 10215772, 20431544]

約数ペア:

[(1, 20431544), (2, 10215772), (4, 5107886), (7, 2918792), (8, 2553943), (14, 1459396), (23, 888328), (28, 729698), (29, 704536), (46, 444164), (56, 364849), (58, 352268), (92, 222082), (116, 176134), (161, 126904), (184, 111041), (203, 100648), (232, 88067), (322, 63452), (406, 50324), (547, 37352), (644, 31726), (667, 30632), (812, 25162), (1094, 18676), (1288, 15863), (1334, 15316), (1624, 12581), (2188, 9338), (2668, 7658), (3829, 5336), (4376, 4669)]