20786868

素因数分解:

$2^2\times 3^4\times {\mathrm{64157}}^1$

素因数の和:64173

約数の個数: 30

約数和(自身を含む): 54341826

約数和(自身を除く): 33554958

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 64157, 128314, 192471, 256628, 384942, 577413, 769884, 1154826, 1732239, 2309652, 3464478, 5196717, 6928956, 10393434, 20786868]

約数ペア:

[(1, 20786868), (2, 10393434), (3, 6928956), (4, 5196717), (6, 3464478), (9, 2309652), (12, 1732239), (18, 1154826), (27, 769884), (36, 577413), (54, 384942), (81, 256628), (108, 192471), (162, 128314), (324, 64157)]