20160464

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29303}}^1$

素因数の和:29354

約数の個数: 20

約数和(自身を含む): 39970656

約数和(自身を除く): 19810192

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29303, 58606, 117212, 234424, 468848, 1260029, 2520058, 5040116, 10080232, 20160464]

約数ペア:

[(1, 20160464), (2, 10080232), (4, 5040116), (8, 2520058), (16, 1260029), (43, 468848), (86, 234424), (172, 117212), (344, 58606), (688, 29303)]