20558678

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{86381}}^1$

素因数の和:86407

約数の個数: 16

約数和(自身を含む): 37317024

約数和(自身を除く): 16758346

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 86381, 172762, 604667, 1209334, 1468477, 2936954, 10279339, 20558678]

約数ペア:

[(1, 20558678), (2, 10279339), (7, 2936954), (14, 1468477), (17, 1209334), (34, 604667), (119, 172762), (238, 86381)]