20170249075

素因数分解:

$5^2\times {\mathrm{1721}}^1\times {\mathrm{468803}}^1$

素因数の和:470534

約数の個数: 12

約数和(自身を含む): 25025695128

約数和(自身を除く): 4855446053

約数列:

[1, 5, 25, 1721, 8605, 43025, 468803, 2344015, 11720075, 806809963, 4034049815, 20170249075]

約数ペア:

[(1, 20170249075), (5, 4034049815), (25, 806809963), (1721, 11720075), (8605, 2344015), (43025, 468803)]