20661023517

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1949}}^1\times {\mathrm{2221}}^1$

素因数の和:4253

約数の個数: 32

約数和(自身を含む): 28978435200

約数和(自身を除く): 8317411683

約数列:

[1, 3, 37, 43, 111, 129, 1591, 1949, 2221, 4773, 5847, 6663, 72113, 82177, 83807, 95503, 216339, 246531, 251421, 286509, 3100859, 3533611, 4328729, 9302577, 10600833, 12986187, 160162973, 186135347, 480488919, 558406041, 6887007839, 20661023517]

約数ペア:

[(1, 20661023517), (3, 6887007839), (37, 558406041), (43, 480488919), (111, 186135347), (129, 160162973), (1591, 12986187), (1949, 10600833), (2221, 9302577), (4773, 4328729), (5847, 3533611), (6663, 3100859), (72113, 286509), (82177, 251421), (83807, 246531), (95503, 216339)]