20704848

素因数分解:

$2^4\times 3^1\times {\mathrm{83}}^1\times {\mathrm{5197}}^1$

素因数の和:5291

約数の個数: 40

約数和(自身を含む): 54142368

約数和(自身を除く): 33437520

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 83, 166, 249, 332, 498, 664, 996, 1328, 1992, 3984, 5197, 10394, 15591, 20788, 31182, 41576, 62364, 83152, 124728, 249456, 431351, 862702, 1294053, 1725404, 2588106, 3450808, 5176212, 6901616, 10352424, 20704848]

約数ペア:

[(1, 20704848), (2, 10352424), (3, 6901616), (4, 5176212), (6, 3450808), (8, 2588106), (12, 1725404), (16, 1294053), (24, 862702), (48, 431351), (83, 249456), (166, 124728), (249, 83152), (332, 62364), (498, 41576), (664, 31182), (996, 20788), (1328, 15591), (1992, 10394), (3984, 5197)]