20646666

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1069}}^1$

素因数の和:1143

約数の個数: 48

約数和(自身を含む): 47572200

約数和(自身を除く): 26925534

約数列:

[1, 2, 3, 6, 9, 18, 29, 37, 58, 74, 87, 111, 174, 222, 261, 333, 522, 666, 1069, 1073, 2138, 2146, 3207, 3219, 6414, 6438, 9621, 9657, 19242, 19314, 31001, 39553, 62002, 79106, 93003, 118659, 186006, 237318, 279009, 355977, 558018, 711954, 1147037, 2294074, 3441111, 6882222, 10323333, 20646666]

約数ペア:

[(1, 20646666), (2, 10323333), (3, 6882222), (6, 3441111), (9, 2294074), (18, 1147037), (29, 711954), (37, 558018), (58, 355977), (74, 279009), (87, 237318), (111, 186006), (174, 118659), (222, 93003), (261, 79106), (333, 62002), (522, 39553), (666, 31001), (1069, 19314), (1073, 19242), (2138, 9657), (2146, 9621), (3207, 6438), (3219, 6414)]