20122030617

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^2\times {\mathrm{647}}^1$

素因数の和:795

約数の個数: 72

約数和(自身を含む): 31204668096

約数和(自身を除く): 11082637479

約数列:

[1, 3, 13, 19, 39, 47, 57, 141, 247, 361, 611, 647, 741, 893, 1083, 1833, 1941, 2209, 2679, 4693, 6627, 8411, 11609, 12293, 14079, 16967, 25233, 28717, 30409, 34827, 36879, 41971, 50901, 86151, 91227, 125913, 159809, 220571, 233567, 395317, 479427, 545623, 577771, 661713, 700701, 797449, 1185951, 1429223, 1636869, 1733313, 2392347, 3036371, 4287669, 7511023, 9109113, 10366837, 10977649, 18579899, 22533069, 27155237, 31100511, 32932947, 55739697, 81465711, 142709437, 353018081, 428128311, 515949503, 1059054243, 1547848509, 6707343539, 20122030617]

約数ペア:

[(1, 20122030617), (3, 6707343539), (13, 1547848509), (19, 1059054243), (39, 515949503), (47, 428128311), (57, 353018081), (141, 142709437), (247, 81465711), (361, 55739697), (611, 32932947), (647, 31100511), (741, 27155237), (893, 22533069), (1083, 18579899), (1833, 10977649), (1941, 10366837), (2209, 9109113), (2679, 7511023), (4693, 4287669), (6627, 3036371), (8411, 2392347), (11609, 1733313), (12293, 1636869), (14079, 1429223), (16967, 1185951), (25233, 797449), (28717, 700701), (30409, 661713), (34827, 577771), (36879, 545623), (41971, 479427), (50901, 395317), (86151, 233567), (91227, 220571), (125913, 159809)]