20318765

素因数分解:

$5^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1$

素因数の和:508

約数の個数: 16

約数和(自身を含む): 24867648

約数和(自身を除く): 4548883

約数列:

[1, 5, 107, 163, 233, 535, 815, 1165, 17441, 24931, 37979, 87205, 124655, 189895, 4063753, 20318765]

約数ペア:

[(1, 20318765), (5, 4063753), (107, 189895), (163, 124655), (233, 87205), (535, 37979), (815, 24931), (1165, 17441)]