20786514918

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{613}}^1\times {\mathrm{5503}}^1$

素因数の和:6213

約数の個数: 64

約数和(自身を含む): 45419888640

約数和(自身を除く): 24633373722

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 79, 158, 237, 474, 613, 1027, 1226, 1839, 2054, 3081, 3678, 5503, 6162, 7969, 11006, 15938, 16509, 23907, 33018, 47814, 48427, 71539, 96854, 143078, 145281, 214617, 290562, 429234, 434737, 629551, 869474, 1259102, 1304211, 1888653, 2608422, 3373339, 3777306, 5651581, 6746678, 10120017, 11303162, 16954743, 20240034, 33909486, 43853407, 87706814, 131560221, 263120442, 266493781, 532987562, 799481343, 1598962686, 3464419153, 6928838306, 10393257459, 20786514918]

約数ペア:

[(1, 20786514918), (2, 10393257459), (3, 6928838306), (6, 3464419153), (13, 1598962686), (26, 799481343), (39, 532987562), (78, 266493781), (79, 263120442), (158, 131560221), (237, 87706814), (474, 43853407), (613, 33909486), (1027, 20240034), (1226, 16954743), (1839, 11303162), (2054, 10120017), (3081, 6746678), (3678, 5651581), (5503, 3777306), (6162, 3373339), (7969, 2608422), (11006, 1888653), (15938, 1304211), (16509, 1259102), (23907, 869474), (33018, 629551), (47814, 434737), (48427, 429234), (71539, 290562), (96854, 214617), (143078, 145281)]