20436160

素因数分解:

$2^6\times 5^1\times {\mathrm{63863}}^1$

素因数の和:63880

約数の個数: 28

約数和(自身を含む): 48664368

約数和(自身を除く): 28228208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 63863, 127726, 255452, 319315, 510904, 638630, 1021808, 1277260, 2043616, 2554520, 4087232, 5109040, 10218080, 20436160]

約数ペア:

[(1, 20436160), (2, 10218080), (4, 5109040), (5, 4087232), (8, 2554520), (10, 2043616), (16, 1277260), (20, 1021808), (32, 638630), (40, 510904), (64, 319315), (80, 255452), (160, 127726), (320, 63863)]