20570572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{8821}}^1$

素因数の和:8889

約数の個数: 24

約数和(自身を含む): 40016592

約数和(自身を除く): 19446020

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 8821, 17642, 35284, 97031, 194062, 388124, 467513, 935026, 1870052, 5142643, 10285286, 20570572]

約数ペア:

[(1, 20570572), (2, 10285286), (4, 5142643), (11, 1870052), (22, 935026), (44, 467513), (53, 388124), (106, 194062), (212, 97031), (583, 35284), (1166, 17642), (2332, 8821)]