20959239

素因数分解:

$3^1\times 7^1\times {\mathrm{673}}^1\times {\mathrm{1483}}^1$

素因数の和:2166

約数の個数: 16

約数和(自身を含む): 32006912

約数和(自身を除く): 11047673

約数列:

[1, 3, 7, 21, 673, 1483, 2019, 4449, 4711, 10381, 14133, 31143, 998059, 2994177, 6986413, 20959239]

約数ペア:

[(1, 20959239), (3, 6986413), (7, 2994177), (21, 998059), (673, 31143), (1483, 14133), (2019, 10381), (4449, 4711)]