20332109

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{21839}}^1$

素因数の和:21872

約数の個数: 12

約数和(自身を含む): 24897600

約数和(自身を除く): 4565491

約数列:

[1, 7, 19, 49, 133, 931, 21839, 152873, 414941, 1070111, 2904587, 20332109]

約数ペア:

[(1, 20332109), (7, 2904587), (19, 1070111), (49, 414941), (133, 152873), (931, 21839)]