16920290

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{41269}}^1$

素因数の和:41317

約数の個数: 16

約数和(自身を含む): 31200120

約数和(自身を除く): 14279830

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 41269, 82538, 206345, 412690, 1692029, 3384058, 8460145, 16920290]

約数ペア:

[(1, 16920290), (2, 8460145), (5, 3384058), (10, 1692029), (41, 412690), (82, 206345), (205, 82538), (410, 41269)]