20104970015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1913}}^1\times {\mathrm{9511}}^1$

素因数の和:11459

約数の個数: 32

約数和(自身を含む): 27527423616

約数和(自身を除く): 7422453601

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1913, 9511, 9565, 24869, 32521, 47555, 123643, 124345, 161687, 162605, 422773, 618215, 808435, 2101931, 2113865, 10509655, 18194543, 90972715, 236529059, 309307231, 1182645295, 1546536155, 4020994003, 20104970015]

約数ペア:

[(1, 20104970015), (5, 4020994003), (13, 1546536155), (17, 1182645295), (65, 309307231), (85, 236529059), (221, 90972715), (1105, 18194543), (1913, 10509655), (9511, 2113865), (9565, 2101931), (24869, 808435), (32521, 618215), (47555, 422773), (123643, 162605), (124345, 161687)]