20860427

素因数分解:

$7^2\times {\mathrm{31}}^2\times {\mathrm{443}}^1$

素因数の和:519

約数の個数: 18

約数和(自身を含む): 25130844

約数和(自身を除く): 4270417

約数列:

[1, 7, 31, 49, 217, 443, 961, 1519, 3101, 6727, 13733, 21707, 47089, 96131, 425723, 672917, 2980061, 20860427]

約数ペア:

[(1, 20860427), (7, 2980061), (31, 672917), (49, 425723), (217, 96131), (443, 47089), (961, 21707), (1519, 13733), (3101, 6727)]