20042728

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{8669}}^1$

素因数の和:8709

約数の個数: 24

約数和(自身を含む): 39925350

約数和(自身を除く): 19882622

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 8669, 17338, 34676, 69352, 147373, 294746, 589492, 1178984, 2505341, 5010682, 10021364, 20042728]

約数ペア:

[(1, 20042728), (2, 10021364), (4, 5010682), (8, 2505341), (17, 1178984), (34, 589492), (68, 294746), (136, 147373), (289, 69352), (578, 34676), (1156, 17338), (2312, 8669)]