20885280654

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{497268587}}^1$

素因数の和:497268599

約数の個数: 16

約数和(自身を含む): 47737784448

約数和(自身を除く): 26852503794

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 497268587, 994537174, 1491805761, 2983611522, 3480880109, 6961760218, 10442640327, 20885280654]

約数ペア:

[(1, 20885280654), (2, 10442640327), (3, 6961760218), (6, 3480880109), (7, 2983611522), (14, 1491805761), (21, 994537174), (42, 497268587)]