20699048

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{19751}}^1$

素因数の和:19888

約数の個数: 16

約数和(自身を含む): 39108960

約数和(自身を除く): 18409912

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 19751, 39502, 79004, 158008, 2587381, 5174762, 10349524, 20699048]

約数ペア:

[(1, 20699048), (2, 10349524), (4, 5174762), (8, 2587381), (131, 158008), (262, 79004), (524, 39502), (1048, 19751)]