20656514687543

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2983751941}}^1$

素因数の和:2983752014

約数の個数: 16

約数和(自身を含む): 25206736406016

約数和(自身を除く): 4550221718473

約数列:

[1, 7, 23, 43, 161, 301, 989, 6923, 2983751941, 20886263587, 68626294643, 128301333463, 480384062501, 898109334241, 2950930669649, 20656514687543]

約数ペア:

[(1, 20656514687543), (7, 2950930669649), (23, 898109334241), (43, 480384062501), (161, 128301333463), (301, 68626294643), (989, 20886263587), (6923, 2983751941)]