20316945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2087}}^1$

素因数の和:2165

約数の個数: 32

約数和(自身を含む): 36080640

約数和(自身を除く): 15763695

約数列:

[1, 3, 5, 11, 15, 33, 55, 59, 165, 177, 295, 649, 885, 1947, 2087, 3245, 6261, 9735, 10435, 22957, 31305, 68871, 114785, 123133, 344355, 369399, 615665, 1354463, 1846995, 4063389, 6772315, 20316945]

約数ペア:

[(1, 20316945), (3, 6772315), (5, 4063389), (11, 1846995), (15, 1354463), (33, 615665), (55, 369399), (59, 344355), (165, 123133), (177, 114785), (295, 68871), (649, 31305), (885, 22957), (1947, 10435), (2087, 9735), (3245, 6261)]