20173671248

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74167909}}^1$

素因数の和:74167934

約数の個数: 20

約数和(自身を含む): 41385693780

約数和(自身を除く): 21212022532

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74167909, 148335818, 296671636, 593343272, 1186686544, 1260854453, 2521708906, 5043417812, 10086835624, 20173671248]

約数ペア:

[(1, 20173671248), (2, 10086835624), (4, 5043417812), (8, 2521708906), (16, 1260854453), (17, 1186686544), (34, 593343272), (68, 296671636), (136, 148335818), (272, 74167909)]