20693214

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 46332000

約数和(自身を除く): 25638786

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 109, 159, 199, 218, 318, 327, 398, 477, 597, 654, 954, 981, 1194, 1791, 1962, 3582, 5777, 10547, 11554, 17331, 21094, 21691, 31641, 34662, 43382, 51993, 63282, 65073, 94923, 103986, 130146, 189846, 195219, 390438, 1149623, 2299246, 3448869, 6897738, 10346607, 20693214]

約数ペア:

[(1, 20693214), (2, 10346607), (3, 6897738), (6, 3448869), (9, 2299246), (18, 1149623), (53, 390438), (106, 195219), (109, 189846), (159, 130146), (199, 103986), (218, 94923), (318, 65073), (327, 63282), (398, 51993), (477, 43382), (597, 34662), (654, 31641), (954, 21691), (981, 21094), (1194, 17331), (1791, 11554), (1962, 10547), (3582, 5777)]