20192284

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 42735616

約数和(自身を除く): 22543332

約数列:

[1, 2, 4, 7, 14, 28, 31, 43, 62, 86, 124, 172, 217, 301, 434, 541, 602, 868, 1082, 1204, 1333, 2164, 2666, 3787, 5332, 7574, 9331, 15148, 16771, 18662, 23263, 33542, 37324, 46526, 67084, 93052, 117397, 162841, 234794, 325682, 469588, 651364, 721153, 1442306, 2884612, 5048071, 10096142, 20192284]

約数ペア:

[(1, 20192284), (2, 10096142), (4, 5048071), (7, 2884612), (14, 1442306), (28, 721153), (31, 651364), (43, 469588), (62, 325682), (86, 234794), (124, 162841), (172, 117397), (217, 93052), (301, 67084), (434, 46526), (541, 37324), (602, 33542), (868, 23263), (1082, 18662), (1204, 16771), (1333, 15148), (2164, 9331), (2666, 7574), (3787, 5332)]