20051829

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1109}}^1$

素因数の和:1170

約数の個数: 36

約数和(自身を含む): 34545420

約数和(自身を除く): 14493591

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 1109, 2009, 2583, 3327, 6027, 7763, 9981, 18081, 23289, 45469, 54341, 69867, 136407, 163023, 318283, 409221, 489069, 954849, 2227981, 2864547, 6683943, 20051829]

約数ペア:

[(1, 20051829), (3, 6683943), (7, 2864547), (9, 2227981), (21, 954849), (41, 489069), (49, 409221), (63, 318283), (123, 163023), (147, 136407), (287, 69867), (369, 54341), (441, 45469), (861, 23289), (1109, 18081), (2009, 9981), (2583, 7763), (3327, 6027)]