20922002

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 35380800

約数和(自身を除く): 14458798

約数列:

[1, 2, 17, 19, 34, 38, 139, 233, 278, 323, 466, 646, 2363, 2641, 3961, 4427, 4726, 5282, 7922, 8854, 32387, 44897, 64774, 75259, 89794, 150518, 550579, 615353, 1101158, 1230706, 10461001, 20922002]

約数ペア:

[(1, 20922002), (2, 10461001), (17, 1230706), (19, 1101158), (34, 615353), (38, 550579), (139, 150518), (233, 89794), (278, 75259), (323, 64774), (466, 44897), (646, 32387), (2363, 8854), (2641, 7922), (3961, 5282), (4427, 4726)]