20156576

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 43672608

約数和(自身を除く): 23516032

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 173, 176, 331, 346, 352, 662, 692, 1324, 1384, 1903, 2648, 2768, 3641, 3806, 5296, 5536, 7282, 7612, 10592, 14564, 15224, 29128, 30448, 57263, 58256, 60896, 114526, 116512, 229052, 458104, 629893, 916208, 1259786, 1832416, 2519572, 5039144, 10078288, 20156576]

約数ペア:

[(1, 20156576), (2, 10078288), (4, 5039144), (8, 2519572), (11, 1832416), (16, 1259786), (22, 916208), (32, 629893), (44, 458104), (88, 229052), (173, 116512), (176, 114526), (331, 60896), (346, 58256), (352, 57263), (662, 30448), (692, 29128), (1324, 15224), (1384, 14564), (1903, 10592), (2648, 7612), (2768, 7282), (3641, 5536), (3806, 5296)]