20686028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{2053}}^1$

素因数の和:2297

約数の個数: 24

約数和(自身を含む): 39683280

約数和(自身を除く): 18997252

約数列:

[1, 2, 4, 11, 22, 44, 229, 458, 916, 2053, 2519, 4106, 5038, 8212, 10076, 22583, 45166, 90332, 470137, 940274, 1880548, 5171507, 10343014, 20686028]

約数ペア:

[(1, 20686028), (2, 10343014), (4, 5171507), (11, 1880548), (22, 940274), (44, 470137), (229, 90332), (458, 45166), (916, 22583), (2053, 10076), (2519, 8212), (4106, 5038)]