20811670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1381}}^1$

素因数の和:1536

約数の個数: 32

約数和(自身を含む): 41194656

約数和(自身を除く): 20382986

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 137, 274, 685, 1370, 1381, 1507, 2762, 3014, 6905, 7535, 13810, 15070, 15191, 30382, 75955, 151910, 189197, 378394, 945985, 1891970, 2081167, 4162334, 10405835, 20811670]

約数ペア:

[(1, 20811670), (2, 10405835), (5, 4162334), (10, 2081167), (11, 1891970), (22, 945985), (55, 378394), (110, 189197), (137, 151910), (274, 75955), (685, 30382), (1370, 15191), (1381, 15070), (1507, 13810), (2762, 7535), (3014, 6905)]