20808420819

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1\times {\mathrm{6343}}^1$

素因数の和:6715

約数の個数: 32

約数和(自身を含む): 28776384000

約数和(自身を除く): 7967963181

約数列:

[1, 3, 41, 123, 149, 179, 447, 537, 6109, 6343, 7339, 18327, 19029, 22017, 26671, 80013, 260063, 780189, 945107, 1093511, 1135397, 2835321, 3280533, 3406191, 38749387, 46551277, 116248161, 139653831, 169174153, 507522459, 6936140273, 20808420819]

約数ペア:

[(1, 20808420819), (3, 6936140273), (41, 507522459), (123, 169174153), (149, 139653831), (179, 116248161), (447, 46551277), (537, 38749387), (6109, 3406191), (6343, 3280533), (7339, 2835321), (18327, 1135397), (19029, 1093511), (22017, 945107), (26671, 780189), (80013, 260063)]