20163759

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2129}}^1$

素因数の和:2191

約数の個数: 32

約数和(自身を含む): 34352640

約数和(自身を除く): 14188881

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 231, 287, 451, 861, 1353, 2129, 3157, 6387, 9471, 14903, 23419, 44709, 70257, 87289, 163933, 261867, 491799, 611023, 960179, 1833069, 2880537, 6721253, 20163759]

約数ペア:

[(1, 20163759), (3, 6721253), (7, 2880537), (11, 1833069), (21, 960179), (33, 611023), (41, 491799), (77, 261867), (123, 163933), (231, 87289), (287, 70257), (451, 44709), (861, 23419), (1353, 14903), (2129, 9471), (3157, 6387)]