20043481568

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{47491}}^1$

素因数の和:47632

約数の個数: 72

約数和(自身を含む): 43772901480

約数和(自身を除く): 23729419912

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 109, 121, 176, 218, 242, 352, 436, 484, 872, 968, 1199, 1744, 1936, 2398, 3488, 3872, 4796, 9592, 13189, 19184, 26378, 38368, 47491, 52756, 94982, 105512, 189964, 211024, 379928, 422048, 522401, 759856, 1044802, 1519712, 2089604, 4179208, 5176519, 5746411, 8358416, 10353038, 11492822, 16716832, 20706076, 22985644, 41412152, 45971288, 56941709, 82824304, 91942576, 113883418, 165648608, 183885152, 227766836, 455533672, 626358799, 911067344, 1252717598, 1822134688, 2505435196, 5010870392, 10021740784, 20043481568]

約数ペア:

[(1, 20043481568), (2, 10021740784), (4, 5010870392), (8, 2505435196), (11, 1822134688), (16, 1252717598), (22, 911067344), (32, 626358799), (44, 455533672), (88, 227766836), (109, 183885152), (121, 165648608), (176, 113883418), (218, 91942576), (242, 82824304), (352, 56941709), (436, 45971288), (484, 41412152), (872, 22985644), (968, 20706076), (1199, 16716832), (1744, 11492822), (1936, 10353038), (2398, 8358416), (3488, 5746411), (3872, 5176519), (4796, 4179208), (9592, 2089604), (13189, 1519712), (19184, 1044802), (26378, 759856), (38368, 522401), (47491, 422048), (52756, 379928), (94982, 211024), (105512, 189964)]