20478522057

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{782011}}^1$

素因数の和:782093

約数の個数: 32

約数和(自身を含む): 33032186880

約数和(自身を除く): 12553664823

約数列:

[1, 3, 7, 21, 29, 43, 87, 129, 203, 301, 609, 903, 1247, 3741, 8729, 26187, 782011, 2346033, 5474077, 16422231, 22678319, 33626473, 68034957, 100879419, 158748233, 235385311, 476244699, 706155933, 975167717, 2925503151, 6826174019, 20478522057]

約数ペア:

[(1, 20478522057), (3, 6826174019), (7, 2925503151), (21, 975167717), (29, 706155933), (43, 476244699), (87, 235385311), (129, 158748233), (203, 100879419), (301, 68034957), (609, 33626473), (903, 22678319), (1247, 16422231), (3741, 5474077), (8729, 2346033), (26187, 782011)]