20512120678

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{86185381}}^1$

素因数の和:86185407

約数の個数: 16

約数和(自身を含む): 37232085024

約数和(自身を除く): 16719964346

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 86185381, 172370762, 603297667, 1206595334, 1465151477, 2930302954, 10256060339, 20512120678]

約数ペア:

[(1, 20512120678), (2, 10256060339), (7, 2930302954), (14, 1465151477), (17, 1206595334), (34, 603297667), (119, 172370762), (238, 86185381)]