20761666

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{727}}^1$

素因数の和:969

約数の個数: 16

約数和(自身を含む): 31711680

約数和(自身を除く): 10950014

約数列:

[1, 2, 109, 131, 218, 262, 727, 1454, 14279, 28558, 79243, 95237, 158486, 190474, 10380833, 20761666]

約数ペア:

[(1, 20761666), (2, 10380833), (109, 190474), (131, 158486), (218, 95237), (262, 79243), (727, 28558), (1454, 14279)]