20974008

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1499}}^1$

素因数の和:1572

約数の個数: 64

約数和(自身を含む): 58320000

約数和(自身を除く): 37345992

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 53, 66, 88, 106, 132, 159, 212, 264, 318, 424, 583, 636, 1166, 1272, 1499, 1749, 2332, 2998, 3498, 4497, 4664, 5996, 6996, 8994, 11992, 13992, 16489, 17988, 32978, 35976, 49467, 65956, 79447, 98934, 131912, 158894, 197868, 238341, 317788, 395736, 476682, 635576, 873917, 953364, 1747834, 1906728, 2621751, 3495668, 5243502, 6991336, 10487004, 20974008]

約数ペア:

[(1, 20974008), (2, 10487004), (3, 6991336), (4, 5243502), (6, 3495668), (8, 2621751), (11, 1906728), (12, 1747834), (22, 953364), (24, 873917), (33, 635576), (44, 476682), (53, 395736), (66, 317788), (88, 238341), (106, 197868), (132, 158894), (159, 131912), (212, 98934), (264, 79447), (318, 65956), (424, 49467), (583, 35976), (636, 32978), (1166, 17988), (1272, 16489), (1499, 13992), (1749, 11992), (2332, 8994), (2998, 6996), (3498, 5996), (4497, 4664)]