20059221

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73477}}^1$

素因数の和:73500

約数の個数: 16

約数和(自身を含む): 32918144

約数和(自身を除く): 12858923

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 73477, 220431, 514339, 955201, 1543017, 2865603, 6686407, 20059221]

約数ペア:

[(1, 20059221), (3, 6686407), (7, 2865603), (13, 1543017), (21, 955201), (39, 514339), (91, 220431), (273, 73477)]