20797371

素因数分解:

$3^3\times 7^1\times {\mathrm{110039}}^1$

素因数の和:110055

約数の個数: 16

約数和(自身を含む): 35212800

約数和(自身を除く): 14415429

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 110039, 330117, 770273, 990351, 2310819, 2971053, 6932457, 20797371]

約数ペア:

[(1, 20797371), (3, 6932457), (7, 2971053), (9, 2310819), (21, 990351), (27, 770273), (63, 330117), (189, 110039)]