20761744

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{31649}}^1$

素因数の和:31698

約数の個数: 20

約数和(自身を含む): 41208300

約数和(自身を除く): 20446556

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 31649, 63298, 126596, 253192, 506384, 1297609, 2595218, 5190436, 10380872, 20761744]

約数ペア:

[(1, 20761744), (2, 10380872), (4, 5190436), (8, 2595218), (16, 1297609), (41, 506384), (82, 253192), (164, 126596), (328, 63298), (656, 31649)]