20477502

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^2\times {\mathrm{277}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 46937520

約数和(自身を除く): 26460018

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 277, 333, 554, 666, 831, 999, 1369, 1662, 1998, 2493, 2738, 4107, 4986, 7479, 8214, 10249, 12321, 14958, 20498, 24642, 30747, 36963, 61494, 73926, 92241, 184482, 276723, 379213, 553446, 758426, 1137639, 2275278, 3412917, 6825834, 10238751, 20477502]

約数ペア:

[(1, 20477502), (2, 10238751), (3, 6825834), (6, 3412917), (9, 2275278), (18, 1137639), (27, 758426), (37, 553446), (54, 379213), (74, 276723), (111, 184482), (222, 92241), (277, 73926), (333, 61494), (554, 36963), (666, 30747), (831, 24642), (999, 20498), (1369, 14958), (1662, 12321), (1998, 10249), (2493, 8214), (2738, 7479), (4107, 4986)]