20507655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{195311}}^1$

素因数の和:195326

約数の個数: 16

約数和(自身を含む): 37499904

約数和(自身を除く): 16992249

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 195311, 585933, 976555, 1367177, 2929665, 4101531, 6835885, 20507655]

約数ペア:

[(1, 20507655), (3, 6835885), (5, 4101531), (7, 2929665), (15, 1367177), (21, 976555), (35, 585933), (105, 195311)]