20158985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{52361}}^1$

素因数の和:52384

約数の個数: 16

約数和(自身を含む): 30160512

約数和(自身を除く): 10001527

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 52361, 261805, 366527, 575971, 1832635, 2879855, 4031797, 20158985]

約数ペア:

[(1, 20158985), (5, 4031797), (7, 2879855), (11, 1832635), (35, 575971), (55, 366527), (77, 261805), (385, 52361)]