20150918

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{4421}}^1$

素因数の和:4519

約数の個数: 16

約数和(自身を含む): 31520016

約数和(自身を除く): 11369098

約数列:

[1, 2, 43, 53, 86, 106, 2279, 4421, 4558, 8842, 190103, 234313, 380206, 468626, 10075459, 20150918]

約数ペア:

[(1, 20150918), (2, 10075459), (43, 468626), (53, 380206), (86, 234313), (106, 190103), (2279, 8842), (4421, 4558)]