20350576

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{719}}^1$

素因数の和:817

約数の個数: 40

約数和(自身を含む): 41515200

約数和(自身を除く): 21164624

約数列:

[1, 2, 4, 8, 16, 29, 58, 61, 116, 122, 232, 244, 464, 488, 719, 976, 1438, 1769, 2876, 3538, 5752, 7076, 11504, 14152, 20851, 28304, 41702, 43859, 83404, 87718, 166808, 175436, 333616, 350872, 701744, 1271911, 2543822, 5087644, 10175288, 20350576]

約数ペア:

[(1, 20350576), (2, 10175288), (4, 5087644), (8, 2543822), (16, 1271911), (29, 701744), (58, 350872), (61, 333616), (116, 175436), (122, 166808), (232, 87718), (244, 83404), (464, 43859), (488, 41702), (719, 28304), (976, 20851), (1438, 14152), (1769, 11504), (2876, 7076), (3538, 5752)]