20277488

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 49758720

約数和(自身を除く): 29481232

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 109, 112, 151, 154, 176, 218, 302, 308, 436, 604, 616, 763, 872, 1057, 1199, 1208, 1232, 1526, 1661, 1744, 2114, 2398, 2416, 3052, 3322, 4228, 4796, 6104, 6644, 8393, 8456, 9592, 11627, 12208, 13288, 16459, 16786, 16912, 19184, 23254, 26576, 32918, 33572, 46508, 65836, 67144, 93016, 115213, 131672, 134288, 181049, 186032, 230426, 263344, 362098, 460852, 724196, 921704, 1267343, 1448392, 1843408, 2534686, 2896784, 5069372, 10138744, 20277488]

約数ペア:

[(1, 20277488), (2, 10138744), (4, 5069372), (7, 2896784), (8, 2534686), (11, 1843408), (14, 1448392), (16, 1267343), (22, 921704), (28, 724196), (44, 460852), (56, 362098), (77, 263344), (88, 230426), (109, 186032), (112, 181049), (151, 134288), (154, 131672), (176, 115213), (218, 93016), (302, 67144), (308, 65836), (436, 46508), (604, 33572), (616, 32918), (763, 26576), (872, 23254), (1057, 19184), (1199, 16912), (1208, 16786), (1232, 16459), (1526, 13288), (1661, 12208), (1744, 11627), (2114, 9592), (2398, 8456), (2416, 8393), (3052, 6644), (3322, 6104), (4228, 4796)]