20112519

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22273}}^1$

素因数の和:22326

約数の個数: 16

約数和(自身を含む): 31361792

約数和(自身を除く): 11249273

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22273, 66819, 155911, 467733, 957739, 2873217, 6704173, 20112519]

約数ペア:

[(1, 20112519), (3, 6704173), (7, 2873217), (21, 957739), (43, 467733), (129, 155911), (301, 66819), (903, 22273)]