20570847

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{929}}^1$

素因数の和:1015

約数の個数: 24

約数和(自身を含む): 30675120

約数和(自身を除く): 10104273

約数列:

[1, 3, 11, 33, 61, 121, 183, 363, 671, 929, 2013, 2787, 7381, 10219, 22143, 30657, 56669, 112409, 170007, 337227, 623359, 1870077, 6856949, 20570847]

約数ペア:

[(1, 20570847), (3, 6856949), (11, 1870077), (33, 623359), (61, 337227), (121, 170007), (183, 112409), (363, 56669), (671, 30657), (929, 22143), (2013, 10219), (2787, 7381)]