20728942

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{13513}}^1$

素因数の和:13587

約数の個数: 16

約数和(自身を含む): 34055280

約数和(自身を除く): 13326338

約数列:

[1, 2, 13, 26, 59, 118, 767, 1534, 13513, 27026, 175669, 351338, 797267, 1594534, 10364471, 20728942]

約数ペア:

[(1, 20728942), (2, 10364471), (13, 1594534), (26, 797267), (59, 351338), (118, 175669), (767, 27026), (1534, 13513)]