20675075

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 26516160

約数和(自身を除く): 5841085

約数列:

[1, 5, 25, 59, 107, 131, 295, 535, 655, 1475, 2675, 3275, 6313, 7729, 14017, 31565, 38645, 70085, 157825, 193225, 350425, 827003, 4135015, 20675075]

約数ペア:

[(1, 20675075), (5, 4135015), (25, 827003), (59, 350425), (107, 193225), (131, 157825), (295, 70085), (535, 38645), (655, 31565), (1475, 14017), (2675, 7729), (3275, 6313)]