20317017

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3371}}^1$

素因数の和:3429

約数の個数: 24

約数和(自身を含む): 32290272

約数和(自身を除く): 11973255

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 3371, 6027, 10113, 23597, 70791, 138211, 165179, 414633, 495537, 967477, 2902431, 6772339, 20317017]

約数ペア:

[(1, 20317017), (3, 6772339), (7, 2902431), (21, 967477), (41, 495537), (49, 414633), (123, 165179), (147, 138211), (287, 70791), (861, 23597), (2009, 10113), (3371, 6027)]