20075909

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:632

約数の個数: 16

約数和(自身を含む): 23654400

約数和(自身を除く): 3578491

約数列:

[1, 7, 47, 139, 329, 439, 973, 3073, 6533, 20633, 45731, 61021, 144431, 427147, 2867987, 20075909]

約数ペア:

[(1, 20075909), (7, 2867987), (47, 427147), (139, 144431), (329, 61021), (439, 45731), (973, 20633), (3073, 6533)]