20858902276

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{73446839}}^1$

素因数の和:73446914

約数の個数: 12

約数和(自身を含む): 37017207360

約数和(自身を除く): 16158305084

約数列:

[1, 2, 4, 71, 142, 284, 73446839, 146893678, 293787356, 5214725569, 10429451138, 20858902276]

約数ペア:

[(1, 20858902276), (2, 10429451138), (4, 5214725569), (71, 293787356), (142, 146893678), (284, 73446839)]