20116738304

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{43487}}^1$

素因数の和:43655

約数の個数: 72

約数和(自身を含む): 43555841280

約数和(自身を除く): 23439102976

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 139, 208, 256, 278, 416, 556, 832, 1112, 1664, 1807, 2224, 3328, 3614, 4448, 7228, 8896, 14456, 17792, 28912, 35584, 43487, 57824, 86974, 115648, 173948, 231296, 347896, 462592, 565331, 695792, 1130662, 1391584, 2261324, 2783168, 4522648, 5566336, 6044693, 9045296, 11132672, 12089386, 18090592, 24178772, 36181184, 48357544, 72362368, 78581009, 96715088, 144724736, 157162018, 193430176, 314324036, 386860352, 628648072, 773720704, 1257296144, 1547441408, 2514592288, 5029184576, 10058369152, 20116738304]

約数ペア:

[(1, 20116738304), (2, 10058369152), (4, 5029184576), (8, 2514592288), (13, 1547441408), (16, 1257296144), (26, 773720704), (32, 628648072), (52, 386860352), (64, 314324036), (104, 193430176), (128, 157162018), (139, 144724736), (208, 96715088), (256, 78581009), (278, 72362368), (416, 48357544), (556, 36181184), (832, 24178772), (1112, 18090592), (1664, 12089386), (1807, 11132672), (2224, 9045296), (3328, 6044693), (3614, 5566336), (4448, 4522648), (7228, 2783168), (8896, 2261324), (14456, 1391584), (17792, 1130662), (28912, 695792), (35584, 565331), (43487, 462592), (57824, 347896), (86974, 231296), (115648, 173948)]