20735420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{45077}}^1$

素因数の和:45109

約数の個数: 24

約数和(自身を含む): 45438624

約数和(自身を除く): 24703204

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 45077, 90154, 180308, 225385, 450770, 901540, 1036771, 2073542, 4147084, 5183855, 10367710, 20735420]

約数ペア:

[(1, 20735420), (2, 10367710), (4, 5183855), (5, 4147084), (10, 2073542), (20, 1036771), (23, 901540), (46, 450770), (92, 225385), (115, 180308), (230, 90154), (460, 45077)]