20585487

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 31872960

約数和(自身を除く): 11287473

約数列:

[1, 3, 13, 17, 39, 51, 61, 183, 221, 509, 663, 793, 1037, 1527, 2379, 3111, 6617, 8653, 13481, 19851, 25959, 31049, 40443, 93147, 112489, 337467, 403637, 527833, 1210911, 1583499, 6861829, 20585487]

約数ペア:

[(1, 20585487), (3, 6861829), (13, 1583499), (17, 1210911), (39, 527833), (51, 403637), (61, 337467), (183, 112489), (221, 93147), (509, 40443), (663, 31049), (793, 25959), (1037, 19851), (1527, 13481), (2379, 8653), (3111, 6617)]