20008779

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1367}}^1$

素因数の和:1435

約数の個数: 32

約数和(自身を含む): 33094656

約数和(自身を除く): 13085877

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 697, 861, 1367, 2091, 4101, 4879, 9569, 14637, 23239, 28707, 56047, 69717, 162673, 168141, 392329, 488019, 952799, 1176987, 2858397, 6669593, 20008779]

約数ペア:

[(1, 20008779), (3, 6669593), (7, 2858397), (17, 1176987), (21, 952799), (41, 488019), (51, 392329), (119, 168141), (123, 162673), (287, 69717), (357, 56047), (697, 28707), (861, 23239), (1367, 14637), (2091, 9569), (4101, 4879)]