20766401

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{307}}^1$

素因数の和:520

約数の個数: 16

約数和(自身を含む): 23151744

約数和(自身を除く): 2385343

約数列:

[1, 17, 23, 173, 307, 391, 2941, 3979, 5219, 7061, 53111, 67643, 120037, 902887, 1221553, 20766401]

約数ペア:

[(1, 20766401), (17, 1221553), (23, 902887), (173, 120037), (307, 67643), (391, 53111), (2941, 7061), (3979, 5219)]