20816552

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{136951}}^1$

素因数の和:136976

約数の個数: 16

約数和(自身を含む): 41085600

約数和(自身を除く): 20269048

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 136951, 273902, 547804, 1095608, 2602069, 5204138, 10408276, 20816552]

約数ペア:

[(1, 20816552), (2, 10408276), (4, 5204138), (8, 2602069), (19, 1095608), (38, 547804), (76, 273902), (152, 136951)]