20804924464

素因数分解:

$2^4\times {\mathrm{53381}}^1\times {\mathrm{24359}}^1$

素因数の和:77748

約数の個数: 20

約数和(自身を含む): 40311951120

約数和(自身を除く): 19507026656

約数列:

[1, 2, 4, 8, 16, 24359, 48718, 53381, 97436, 106762, 194872, 213524, 389744, 427048, 854096, 1300307779, 2600615558, 5201231116, 10402462232, 20804924464]

約数ペア:

[(1, 20804924464), (2, 10402462232), (4, 5201231116), (8, 2600615558), (16, 1300307779), (24359, 854096), (48718, 427048), (53381, 389744), (97436, 213524), (106762, 194872)]