20684004

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2207}}^1$

素因数の和:2296

約数の個数: 48

約数和(自身を含む): 53415936

約数和(自身を除く): 32731932

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 71, 132, 142, 213, 284, 426, 781, 852, 1562, 2207, 2343, 3124, 4414, 4686, 6621, 8828, 9372, 13242, 24277, 26484, 48554, 72831, 97108, 145662, 156697, 291324, 313394, 470091, 626788, 940182, 1723667, 1880364, 3447334, 5171001, 6894668, 10342002, 20684004]

約数ペア:

[(1, 20684004), (2, 10342002), (3, 6894668), (4, 5171001), (6, 3447334), (11, 1880364), (12, 1723667), (22, 940182), (33, 626788), (44, 470091), (66, 313394), (71, 291324), (132, 156697), (142, 145662), (213, 97108), (284, 72831), (426, 48554), (781, 26484), (852, 24277), (1562, 13242), (2207, 9372), (2343, 8828), (3124, 6621), (4414, 4686)]