20767212

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{5197}}^1$

素因数の和:5247

約数の個数: 48

約数和(自身を含む): 55306720

約数和(自身を除く): 34539508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 5197, 10394, 15591, 20788, 31182, 46773, 62364, 93546, 140319, 187092, 192289, 280638, 384578, 561276, 576867, 769156, 1153734, 1730601, 2307468, 3461202, 5191803, 6922404, 10383606, 20767212]

約数ペア:

[(1, 20767212), (2, 10383606), (3, 6922404), (4, 5191803), (6, 3461202), (9, 2307468), (12, 1730601), (18, 1153734), (27, 769156), (36, 576867), (37, 561276), (54, 384578), (74, 280638), (108, 192289), (111, 187092), (148, 140319), (222, 93546), (333, 62364), (444, 46773), (666, 31182), (999, 20788), (1332, 15591), (1998, 10394), (3996, 5197)]