20320311254

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1\times {\mathrm{20287}}^1$

素因数の和:20964

約数の個数: 32

約数和(自身を含む): 32886036480

約数和(自身を除く): 12565725226

約数列:

[1, 2, 19, 38, 43, 86, 613, 817, 1226, 1634, 11647, 20287, 23294, 26359, 40574, 52718, 385453, 500821, 770906, 872341, 1001642, 1744682, 12435931, 16574479, 24871862, 33148958, 236282689, 472565378, 534745033, 1069490066, 10160155627, 20320311254]

約数ペア:

[(1, 20320311254), (2, 10160155627), (19, 1069490066), (38, 534745033), (43, 472565378), (86, 236282689), (613, 33148958), (817, 24871862), (1226, 16574479), (1634, 12435931), (11647, 1744682), (20287, 1001642), (23294, 872341), (26359, 770906), (40574, 500821), (52718, 385453)]