20730638859

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13903849}}^1$

素因数の和:13903930

約数の個数: 16

約数和(自身を含む): 32034470400

約数和(自身を除く): 11303831541

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 13903849, 41711547, 97326943, 291980829, 987173279, 2961519837, 6910212953, 20730638859]

約数ペア:

[(1, 20730638859), (3, 6910212953), (7, 2961519837), (21, 987173279), (71, 291980829), (213, 97326943), (497, 41711547), (1491, 13903849)]