20192886

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3727}}^1$

素因数の和:3785

約数の個数: 48

約数和(自身を含む): 51177984

約数和(自身を除く): 30985098

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 86, 126, 129, 258, 301, 387, 602, 774, 903, 1806, 2709, 3727, 5418, 7454, 11181, 22362, 26089, 33543, 52178, 67086, 78267, 156534, 160261, 234801, 320522, 469602, 480783, 961566, 1121827, 1442349, 2243654, 2884698, 3365481, 6730962, 10096443, 20192886]

約数ペア:

[(1, 20192886), (2, 10096443), (3, 6730962), (6, 3365481), (7, 2884698), (9, 2243654), (14, 1442349), (18, 1121827), (21, 961566), (42, 480783), (43, 469602), (63, 320522), (86, 234801), (126, 160261), (129, 156534), (258, 78267), (301, 67086), (387, 52178), (602, 33543), (774, 26089), (903, 22362), (1806, 11181), (2709, 7454), (3727, 5418)]