20282409

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3319}}^1$

素因数の和:3429

約数の個数: 24

約数和(自身を含む): 33837440

約数和(自身を除く): 13555031

約数列:

[1, 3, 7, 9, 21, 63, 97, 291, 679, 873, 2037, 3319, 6111, 9957, 23233, 29871, 69699, 209097, 321943, 965829, 2253601, 2897487, 6760803, 20282409]

約数ペア:

[(1, 20282409), (3, 6760803), (7, 2897487), (9, 2253601), (21, 965829), (63, 321943), (97, 209097), (291, 69699), (679, 29871), (873, 23233), (2037, 9957), (3319, 6111)]