20756090

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{28433}}^1$

素因数の和:28513

約数の個数: 16

約数和(自身を含む): 37874088

約数和(自身を除く): 17117998

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 28433, 56866, 142165, 284330, 2075609, 4151218, 10378045, 20756090]

約数ペア:

[(1, 20756090), (2, 10378045), (5, 4151218), (10, 2075609), (73, 284330), (146, 142165), (365, 56866), (730, 28433)]