20940069

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1\times {\mathrm{317}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 28421568

約数和(自身を除く): 7481499

約数列:

[1, 3, 97, 227, 291, 317, 681, 951, 22019, 30749, 66057, 71959, 92247, 215877, 6980023, 20940069]

約数ペア:

[(1, 20940069), (3, 6980023), (97, 215877), (227, 92247), (291, 71959), (317, 66057), (681, 30749), (951, 22019)]