20247584

素因数分解:

$2^5\times 7^2\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:410

約数の個数: 72

約数和(自身を含む): 47760300

約数和(自身を除く): 27512716

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 49, 56, 74, 98, 112, 148, 196, 224, 259, 296, 349, 392, 518, 592, 698, 784, 1036, 1184, 1396, 1568, 1813, 2072, 2443, 2792, 3626, 4144, 4886, 5584, 7252, 8288, 9772, 11168, 12913, 14504, 17101, 19544, 25826, 29008, 34202, 39088, 51652, 58016, 68404, 78176, 90391, 103304, 136808, 180782, 206608, 273616, 361564, 413216, 547232, 632737, 723128, 1265474, 1446256, 2530948, 2892512, 5061896, 10123792, 20247584]

約数ペア:

[(1, 20247584), (2, 10123792), (4, 5061896), (7, 2892512), (8, 2530948), (14, 1446256), (16, 1265474), (28, 723128), (32, 632737), (37, 547232), (49, 413216), (56, 361564), (74, 273616), (98, 206608), (112, 180782), (148, 136808), (196, 103304), (224, 90391), (259, 78176), (296, 68404), (349, 58016), (392, 51652), (518, 39088), (592, 34202), (698, 29008), (784, 25826), (1036, 19544), (1184, 17101), (1396, 14504), (1568, 12913), (1813, 11168), (2072, 9772), (2443, 8288), (2792, 7252), (3626, 5584), (4144, 4886)]