20781567381989

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{371225369}}^1$

素因数の和:371225512

約数の個数: 16

約数和(自身を含む): 22852633777200

約数和(自身を除く): 2071066395211

約数列:

[1, 17, 37, 89, 629, 1513, 3293, 55981, 371225369, 6310831273, 13735338653, 33039057841, 233500757101, 561663983297, 1222445140117, 20781567381989]

約数ペア:

[(1, 20781567381989), (17, 1222445140117), (37, 561663983297), (89, 233500757101), (629, 33039057841), (1513, 13735338653), (3293, 6310831273), (55981, 371225369)]