20471286

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 46884096

約数和(自身を除く): 26412810

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 83, 101, 111, 166, 202, 222, 249, 303, 407, 498, 606, 814, 913, 1111, 1221, 1826, 2222, 2442, 2739, 3071, 3333, 3737, 5478, 6142, 6666, 7474, 8383, 9213, 11211, 16766, 18426, 22422, 25149, 33781, 41107, 50298, 67562, 82214, 92213, 101343, 123321, 184426, 202686, 246642, 276639, 310171, 553278, 620342, 930513, 1861026, 3411881, 6823762, 10235643, 20471286]

約数ペア:

[(1, 20471286), (2, 10235643), (3, 6823762), (6, 3411881), (11, 1861026), (22, 930513), (33, 620342), (37, 553278), (66, 310171), (74, 276639), (83, 246642), (101, 202686), (111, 184426), (166, 123321), (202, 101343), (222, 92213), (249, 82214), (303, 67562), (407, 50298), (498, 41107), (606, 33781), (814, 25149), (913, 22422), (1111, 18426), (1221, 16766), (1826, 11211), (2222, 9213), (2442, 8383), (2739, 7474), (3071, 6666), (3333, 6142), (3737, 5478)]