20656008

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^1\times {\mathrm{5413}}^1$

素因数の和:5478

約数の個数: 48

約数和(自身を含む): 57009420

約数和(自身を除く): 36353412

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 53, 72, 106, 159, 212, 318, 424, 477, 636, 954, 1272, 1908, 3816, 5413, 10826, 16239, 21652, 32478, 43304, 48717, 64956, 97434, 129912, 194868, 286889, 389736, 573778, 860667, 1147556, 1721334, 2295112, 2582001, 3442668, 5164002, 6885336, 10328004, 20656008]

約数ペア:

[(1, 20656008), (2, 10328004), (3, 6885336), (4, 5164002), (6, 3442668), (8, 2582001), (9, 2295112), (12, 1721334), (18, 1147556), (24, 860667), (36, 573778), (53, 389736), (72, 286889), (106, 194868), (159, 129912), (212, 97434), (318, 64956), (424, 48717), (477, 43304), (636, 32478), (954, 21652), (1272, 16239), (1908, 10826), (3816, 5413)]