20329071

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3373}}^1$

素因数の和:3431

約数の個数: 24

約数和(自身を含む): 32309424

約数和(自身を除く): 11980353

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 3373, 6027, 10119, 23611, 70833, 138293, 165277, 414879, 495831, 968051, 2904153, 6776357, 20329071]

約数ペア:

[(1, 20329071), (3, 6776357), (7, 2904153), (21, 968051), (41, 495831), (49, 414879), (123, 165277), (147, 138293), (287, 70833), (861, 23611), (2009, 10119), (3373, 6027)]