20643066

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 49248000

約数和(自身を除く): 28604934

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 113, 153, 199, 226, 306, 339, 398, 459, 597, 678, 918, 1017, 1194, 1791, 1921, 2034, 3051, 3383, 3582, 3842, 5373, 5763, 6102, 6766, 10149, 10746, 11526, 17289, 20298, 22487, 30447, 34578, 44974, 51867, 60894, 67461, 91341, 103734, 134922, 182682, 202383, 382279, 404766, 607149, 764558, 1146837, 1214298, 2293674, 3440511, 6881022, 10321533, 20643066]

約数ペア:

[(1, 20643066), (2, 10321533), (3, 6881022), (6, 3440511), (9, 2293674), (17, 1214298), (18, 1146837), (27, 764558), (34, 607149), (51, 404766), (54, 382279), (102, 202383), (113, 182682), (153, 134922), (199, 103734), (226, 91341), (306, 67461), (339, 60894), (398, 51867), (459, 44974), (597, 34578), (678, 30447), (918, 22487), (1017, 20298), (1194, 17289), (1791, 11526), (1921, 10746), (2034, 10149), (3051, 6766), (3383, 6102), (3582, 5763), (3842, 5373)]