20090804

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{6871}}^1$

素因数の和:6935

約数の個数: 24

約数和(自身を含む): 38098368

約数和(自身を除く): 18007564

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 6871, 13742, 27484, 116807, 233614, 295453, 467228, 590906, 1181812, 5022701, 10045402, 20090804]

約数ペア:

[(1, 20090804), (2, 10045402), (4, 5022701), (17, 1181812), (34, 590906), (43, 467228), (68, 295453), (86, 233614), (172, 116807), (731, 27484), (1462, 13742), (2924, 6871)]