20009649

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{277}}^1$

素因数の和:501

約数の個数: 24

約数和(自身を含む): 29579200

約数和(自身を除く): 9569551

約数列:

[1, 3, 11, 33, 121, 199, 277, 363, 597, 831, 2189, 3047, 6567, 9141, 24079, 33517, 55123, 72237, 100551, 165369, 606353, 1819059, 6669883, 20009649]

約数ペア:

[(1, 20009649), (3, 6669883), (11, 1819059), (33, 606353), (121, 165369), (199, 100551), (277, 72237), (363, 55123), (597, 33517), (831, 24079), (2189, 9141), (3047, 6567)]