20567989

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 23209200

約数和(自身を除く): 2641211

約数列:

[1, 13, 29, 89, 377, 613, 1157, 2581, 7969, 17777, 33553, 54557, 231101, 709241, 1582153, 20567989]

約数ペア:

[(1, 20567989), (13, 1582153), (29, 709241), (89, 231101), (377, 54557), (613, 33553), (1157, 17777), (2581, 7969)]