20723346688

素因数分解:

$2^8\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{7517}}^1$

素因数の和:7644

約数の個数: 108

約数和(自身を含む): 45985125060

約数和(自身を除く): 25261778372

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 89, 121, 128, 176, 178, 242, 256, 352, 356, 484, 704, 712, 968, 979, 1408, 1424, 1936, 1958, 2816, 2848, 3872, 3916, 5696, 7517, 7744, 7832, 10769, 11392, 15034, 15488, 15664, 21538, 22784, 30068, 30976, 31328, 43076, 60136, 62656, 82687, 86152, 120272, 125312, 165374, 172304, 240544, 250624, 330748, 344608, 481088, 661496, 669013, 689216, 909557, 962176, 1322992, 1338026, 1378432, 1819114, 1924352, 2645984, 2676052, 2756864, 3638228, 5291968, 5352104, 7276456, 7359143, 10583936, 10704208, 14552912, 14718286, 21167872, 21408416, 29105824, 29436572, 42816832, 58211648, 58873144, 80950573, 85633664, 116423296, 117746288, 161901146, 171267328, 232846592, 235492576, 323802292, 470985152, 647604584, 941970304, 1295209168, 1883940608, 2590418336, 5180836672, 10361673344, 20723346688]

約数ペア:

[(1, 20723346688), (2, 10361673344), (4, 5180836672), (8, 2590418336), (11, 1883940608), (16, 1295209168), (22, 941970304), (32, 647604584), (44, 470985152), (64, 323802292), (88, 235492576), (89, 232846592), (121, 171267328), (128, 161901146), (176, 117746288), (178, 116423296), (242, 85633664), (256, 80950573), (352, 58873144), (356, 58211648), (484, 42816832), (704, 29436572), (712, 29105824), (968, 21408416), (979, 21167872), (1408, 14718286), (1424, 14552912), (1936, 10704208), (1958, 10583936), (2816, 7359143), (2848, 7276456), (3872, 5352104), (3916, 5291968), (5696, 3638228), (7517, 2756864), (7744, 2676052), (7832, 2645984), (10769, 1924352), (11392, 1819114), (15034, 1378432), (15488, 1338026), (15664, 1322992), (21538, 962176), (22784, 909557), (30068, 689216), (30976, 669013), (31328, 661496), (43076, 481088), (60136, 344608), (62656, 330748), (82687, 250624), (86152, 240544), (120272, 172304), (125312, 165374)]