20173944970

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28414007}}^1$

素因数の和:28414085

約数の個数: 16

約数和(自身を含む): 36824554368

約数和(自身を除く): 16650609398

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28414007, 56828014, 142070035, 284140070, 2017394497, 4034788994, 10086972485, 20173944970]

約数ペア:

[(1, 20173944970), (2, 10086972485), (5, 4034788994), (10, 2017394497), (71, 284140070), (142, 142070035), (355, 56828014), (710, 28414007)]