20327796

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 54774720

約数和(自身を除く): 34446924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 113, 114, 171, 226, 228, 263, 339, 342, 452, 526, 678, 684, 789, 1017, 1052, 1356, 1578, 2034, 2147, 2367, 3156, 4068, 4294, 4734, 4997, 6441, 8588, 9468, 9994, 12882, 14991, 19323, 19988, 25764, 29719, 29982, 38646, 44973, 59438, 59964, 77292, 89157, 89946, 118876, 178314, 179892, 267471, 356628, 534942, 564661, 1069884, 1129322, 1693983, 2258644, 3387966, 5081949, 6775932, 10163898, 20327796]

約数ペア:

[(1, 20327796), (2, 10163898), (3, 6775932), (4, 5081949), (6, 3387966), (9, 2258644), (12, 1693983), (18, 1129322), (19, 1069884), (36, 564661), (38, 534942), (57, 356628), (76, 267471), (113, 179892), (114, 178314), (171, 118876), (226, 89946), (228, 89157), (263, 77292), (339, 59964), (342, 59438), (452, 44973), (526, 38646), (678, 29982), (684, 29719), (789, 25764), (1017, 19988), (1052, 19323), (1356, 14991), (1578, 12882), (2034, 9994), (2147, 9468), (2367, 8588), (3156, 6441), (4068, 4997), (4294, 4734)]