20393916

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3889}}^1$

素因数の和:3938

約数の個数: 48

約数和(自身を含む): 52281600

約数和(自身を除く): 31887684

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 228, 276, 437, 874, 1311, 1748, 2622, 3889, 5244, 7778, 11667, 15556, 23334, 46668, 73891, 89447, 147782, 178894, 221673, 268341, 295564, 357788, 443346, 536682, 886692, 1073364, 1699493, 3398986, 5098479, 6797972, 10196958, 20393916]

約数ペア:

[(1, 20393916), (2, 10196958), (3, 6797972), (4, 5098479), (6, 3398986), (12, 1699493), (19, 1073364), (23, 886692), (38, 536682), (46, 443346), (57, 357788), (69, 295564), (76, 268341), (92, 221673), (114, 178894), (138, 147782), (228, 89447), (276, 73891), (437, 46668), (874, 23334), (1311, 15556), (1748, 11667), (2622, 7778), (3889, 5244)]