20065020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2441}}^1$

素因数の和:2590

約数の個数: 48

約数和(自身を含む): 56615328

約数和(自身を除く): 36550308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 548, 685, 822, 1370, 1644, 2055, 2441, 2740, 4110, 4882, 7323, 8220, 9764, 12205, 14646, 24410, 29292, 36615, 48820, 73230, 146460, 334417, 668834, 1003251, 1337668, 1672085, 2006502, 3344170, 4013004, 5016255, 6688340, 10032510, 20065020]

約数ペア:

[(1, 20065020), (2, 10032510), (3, 6688340), (4, 5016255), (5, 4013004), (6, 3344170), (10, 2006502), (12, 1672085), (15, 1337668), (20, 1003251), (30, 668834), (60, 334417), (137, 146460), (274, 73230), (411, 48820), (548, 36615), (685, 29292), (822, 24410), (1370, 14646), (1644, 12205), (2055, 9764), (2441, 8220), (2740, 7323), (4110, 4882)]