20123642889

素因数分解:

$3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1054201}}^1$

素因数の和:1054318

約数の個数: 32

約数和(自身を含む): 34409153280

約数和(自身を除く): 14285510391

約数列:

[1, 3, 7, 9, 21, 27, 63, 101, 189, 303, 707, 909, 2121, 2727, 6363, 19089, 1054201, 3162603, 7379407, 9487809, 22138221, 28463427, 66414663, 106474301, 199243989, 319422903, 745320107, 958268709, 2235960321, 2874806127, 6707880963, 20123642889]

約数ペア:

[(1, 20123642889), (3, 6707880963), (7, 2874806127), (9, 2235960321), (21, 958268709), (27, 745320107), (63, 319422903), (101, 199243989), (189, 106474301), (303, 66414663), (707, 28463427), (909, 22138221), (2121, 9487809), (2727, 7379407), (6363, 3162603), (19089, 1054201)]