20101843972

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{297523}}^1$

素因数の和:297680

約数の個数: 48

約数和(自身を含む): 42653040640

約数和(自身を除く): 22551196668

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 127, 133, 254, 266, 508, 532, 889, 1778, 2413, 3556, 4826, 9652, 16891, 33782, 67564, 297523, 595046, 1190092, 2082661, 4165322, 5652937, 8330644, 11305874, 22611748, 37785421, 39570559, 75570842, 79141118, 151141684, 158282236, 264497947, 528995894, 717922999, 1057991788, 1435845998, 2871691996, 5025460993, 10050921986, 20101843972]

約数ペア:

[(1, 20101843972), (2, 10050921986), (4, 5025460993), (7, 2871691996), (14, 1435845998), (19, 1057991788), (28, 717922999), (38, 528995894), (76, 264497947), (127, 158282236), (133, 151141684), (254, 79141118), (266, 75570842), (508, 39570559), (532, 37785421), (889, 22611748), (1778, 11305874), (2413, 8330644), (3556, 5652937), (4826, 4165322), (9652, 2082661), (16891, 1190092), (33782, 595046), (67564, 297523)]