20868746

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{523}}^1$

素因数の和:877

約数の個数: 16

約数和(自身を含む): 31917888

約数和(自身を除く): 11049142

約数列:

[1, 2, 71, 142, 281, 523, 562, 1046, 19951, 37133, 39902, 74266, 146963, 293926, 10434373, 20868746]

約数ペア:

[(1, 20868746), (2, 10434373), (71, 293926), (142, 146963), (281, 74266), (523, 39902), (562, 37133), (1046, 19951)]