20812596

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{247769}}^1$

素因数の和:247783

約数の個数: 24

約数和(自身を含む): 55500480

約数和(自身を除く): 34687884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 247769, 495538, 743307, 991076, 1486614, 1734383, 2973228, 3468766, 5203149, 6937532, 10406298, 20812596]

約数ペア:

[(1, 20812596), (2, 10406298), (3, 6937532), (4, 5203149), (6, 3468766), (7, 2973228), (12, 1734383), (14, 1486614), (21, 991076), (28, 743307), (42, 495538), (84, 247769)]