20105744

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30649}}^1$

素因数の和:30698

約数の個数: 20

約数和(自身を含む): 39906300

約数和(自身を除く): 19800556

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30649, 61298, 122596, 245192, 490384, 1256609, 2513218, 5026436, 10052872, 20105744]

約数ペア:

[(1, 20105744), (2, 10052872), (4, 5026436), (8, 2513218), (16, 1256609), (41, 490384), (82, 245192), (164, 122596), (328, 61298), (656, 30649)]