20945326

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{10099}}^1$

素因数の和:10179

約数の個数: 16

約数和(自身を含む): 33814800

約数和(自身を除く): 12869474

約数列:

[1, 2, 17, 34, 61, 122, 1037, 2074, 10099, 20198, 171683, 343366, 616039, 1232078, 10472663, 20945326]

約数ペア:

[(1, 20945326), (2, 10472663), (17, 1232078), (34, 616039), (61, 343366), (122, 171683), (1037, 20198), (2074, 10099)]