20159793507

素因数分解:

$3^1\times 7^1\times {\mathrm{2903}}^1\times {\mathrm{330689}}^1$

素因数の和:333602

約数の個数: 16

約数和(自身を含む): 30730360320

約数和(自身を除く): 10570566813

約数列:

[1, 3, 7, 21, 2903, 8709, 20321, 60963, 330689, 992067, 2314823, 6944469, 959990167, 2879970501, 6719931169, 20159793507]

約数ペア:

[(1, 20159793507), (3, 6719931169), (7, 2879970501), (21, 959990167), (2903, 6944469), (8709, 2314823), (20321, 992067), (60963, 330689)]