20170618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{11579}}^1$

素因数の和:11661

約数の個数: 16

約数和(自身を含む): 33072480

約数和(自身を除く): 12901862

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 11579, 23158, 150527, 301054, 775793, 1551586, 10085309, 20170618]

約数ペア:

[(1, 20170618), (2, 10085309), (13, 1551586), (26, 775793), (67, 301054), (134, 150527), (871, 23158), (1742, 11579)]