20649744

素因数分解:

$2^4\times 3^2\times {\mathrm{143401}}^1$

素因数の和:143415

約数の個数: 30

約数和(自身を含む): 57791006

約数和(自身を除く): 37141262

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 143401, 286802, 430203, 573604, 860406, 1147208, 1290609, 1720812, 2294416, 2581218, 3441624, 5162436, 6883248, 10324872, 20649744]

約数ペア:

[(1, 20649744), (2, 10324872), (3, 6883248), (4, 5162436), (6, 3441624), (8, 2581218), (9, 2294416), (12, 1720812), (16, 1290609), (18, 1147208), (24, 860406), (36, 573604), (48, 430203), (72, 286802), (144, 143401)]