20051870

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48907}}^1$

素因数の和:48955

約数の個数: 16

約数和(自身を含む): 36974448

約数和(自身を除く): 16922578

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 48907, 97814, 244535, 489070, 2005187, 4010374, 10025935, 20051870]

約数ペア:

[(1, 20051870), (2, 10025935), (5, 4010374), (10, 2005187), (41, 489070), (82, 244535), (205, 97814), (410, 48907)]