20161012

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{269}}^1\times {\mathrm{457}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 36356040

約数和(自身を除く): 16195028

約数列:

[1, 2, 4, 41, 82, 164, 269, 457, 538, 914, 1076, 1828, 11029, 18737, 22058, 37474, 44116, 74948, 122933, 245866, 491732, 5040253, 10080506, 20161012]

約数ペア:

[(1, 20161012), (2, 10080506), (4, 5040253), (41, 491732), (82, 245866), (164, 122933), (269, 74948), (457, 44116), (538, 37474), (914, 22058), (1076, 18737), (1828, 11029)]