20699420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{147853}}^1$

素因数の和:147869

約数の個数: 24

約数和(自身を含む): 49678944

約数和(自身を除く): 28979524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 147853, 295706, 591412, 739265, 1034971, 1478530, 2069942, 2957060, 4139884, 5174855, 10349710, 20699420]

約数ペア:

[(1, 20699420), (2, 10349710), (4, 5174855), (5, 4139884), (7, 2957060), (10, 2069942), (14, 1478530), (20, 1034971), (28, 739265), (35, 591412), (70, 295706), (140, 147853)]