20170886

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{1381}}^1$

素因数の和:1559

約数の個数: 16

約数和(自身を含む): 31012080

約数和(自身を除く): 10841194

約数列:

[1, 2, 67, 109, 134, 218, 1381, 2762, 7303, 14606, 92527, 150529, 185054, 301058, 10085443, 20170886]

約数ペア:

[(1, 20170886), (2, 10085443), (67, 301058), (109, 185054), (134, 150529), (218, 92527), (1381, 14606), (2762, 7303)]