20702979

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{6337}}^1$

素因数の和:6368

約数の個数: 24

約数和(自身を含む): 33718160

約数和(自身を除く): 13015181

約数列:

[1, 3, 9, 11, 27, 33, 99, 121, 297, 363, 1089, 3267, 6337, 19011, 57033, 69707, 171099, 209121, 627363, 766777, 1882089, 2300331, 6900993, 20702979]

約数ペア:

[(1, 20702979), (3, 6900993), (9, 2300331), (11, 1882089), (27, 766777), (33, 627363), (99, 209121), (121, 171099), (297, 69707), (363, 57033), (1089, 19011), (3267, 6337)]