20039364

素因数分解:

$2^2\times 3^2\times {\mathrm{409}}^1\times {\mathrm{1361}}^1$

素因数の和:1780

約数の個数: 36

約数和(自身を含む): 50816220

約数和(自身を除く): 30776856

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 409, 818, 1227, 1361, 1636, 2454, 2722, 3681, 4083, 4908, 5444, 7362, 8166, 12249, 14724, 16332, 24498, 48996, 556649, 1113298, 1669947, 2226596, 3339894, 5009841, 6679788, 10019682, 20039364]

約数ペア:

[(1, 20039364), (2, 10019682), (3, 6679788), (4, 5009841), (6, 3339894), (9, 2226596), (12, 1669947), (18, 1113298), (36, 556649), (409, 48996), (818, 24498), (1227, 16332), (1361, 14724), (1636, 12249), (2454, 8166), (2722, 7362), (3681, 5444), (4083, 4908)]