20215545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{192529}}^1$

素因数の和:192544

約数の個数: 16

約数和(自身を含む): 36965760

約数和(自身を除く): 16750215

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 192529, 577587, 962645, 1347703, 2887935, 4043109, 6738515, 20215545]

約数ペア:

[(1, 20215545), (3, 6738515), (5, 4043109), (7, 2887935), (15, 1347703), (21, 962645), (35, 577587), (105, 192529)]