20147796522

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{750719}}^1$

素因数の和:750808

約数の個数: 64

約数和(自身を含む): 51889766400

約数和(自身を除く): 31741969878

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 126, 142, 189, 213, 378, 426, 497, 639, 994, 1278, 1491, 1917, 2982, 3834, 4473, 8946, 13419, 26838, 750719, 1501438, 2252157, 4504314, 5255033, 6756471, 10510066, 13512942, 15765099, 20269413, 31530198, 40538826, 47295297, 53301049, 94590594, 106602098, 141885891, 159903147, 283771782, 319806294, 373107343, 479709441, 746214686, 959418882, 1119322029, 1439128323, 2238644058, 2878256646, 3357966087, 6715932174, 10073898261, 20147796522]

約数ペア:

[(1, 20147796522), (2, 10073898261), (3, 6715932174), (6, 3357966087), (7, 2878256646), (9, 2238644058), (14, 1439128323), (18, 1119322029), (21, 959418882), (27, 746214686), (42, 479709441), (54, 373107343), (63, 319806294), (71, 283771782), (126, 159903147), (142, 141885891), (189, 106602098), (213, 94590594), (378, 53301049), (426, 47295297), (497, 40538826), (639, 31530198), (994, 20269413), (1278, 15765099), (1491, 13512942), (1917, 10510066), (2982, 6756471), (3834, 5255033), (4473, 4504314), (8946, 2252157), (13419, 1501438), (26838, 750719)]