20447273

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7177}}^1$

素因数の和:7232

約数の個数: 16

約数和(自身を含む): 26185344

約数和(自身を除く): 5738071

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 7177, 50239, 78947, 265549, 552629, 1858843, 2921039, 20447273]

約数ペア:

[(1, 20447273), (7, 2921039), (11, 1858843), (37, 552629), (77, 265549), (259, 78947), (407, 50239), (2849, 7177)]