20237977981

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{7044197}}^1$

素因数の和:7044240

約数の個数: 12

約数和(自身を含む): 23203588212

約数和(自身を除く): 2965610231

約数列:

[1, 13, 17, 169, 221, 2873, 7044197, 91574561, 119751349, 1190469293, 1556767537, 20237977981]

約数ペア:

[(1, 20237977981), (13, 1556767537), (17, 1190469293), (169, 119751349), (221, 91574561), (2873, 7044197)]