20793981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{5279}}^1$

素因数の和:5396

約数の個数: 16

約数和(自身を含む): 30159360

約数和(自身を除く): 9365379

約数列:

[1, 3, 13, 39, 101, 303, 1313, 3939, 5279, 15837, 68627, 205881, 533179, 1599537, 6931327, 20793981]

約数ペア:

[(1, 20793981), (3, 6931327), (13, 1599537), (39, 533179), (101, 205881), (303, 68627), (1313, 15837), (3939, 5279)]