20148904

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{47521}}^1$

素因数の和:47580

約数の個数: 16

約数和(自身を含む): 38492820

約数和(自身を除く): 18343916

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 47521, 95042, 190084, 380168, 2518613, 5037226, 10074452, 20148904]

約数ペア:

[(1, 20148904), (2, 10074452), (4, 5037226), (8, 2518613), (53, 380168), (106, 190084), (212, 95042), (424, 47521)]