20559147

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{5659}}^1$

素因数の和:5842

約数の個数: 16

約数和(自身を含む): 31514880

約数和(自身を除く): 10955733

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 5659, 16977, 39613, 118839, 979007, 2937021, 6853049, 20559147]

約数ペア:

[(1, 20559147), (3, 6853049), (7, 2937021), (21, 979007), (173, 118839), (519, 39613), (1211, 16977), (3633, 5659)]