20512761995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1\times {\mathrm{9857}}^1$

素因数の和:10271

約数の個数: 32

約数和(自身を含む): 27138995136

約数和(自身を除く): 6626233141

約数列:

[1, 5, 11, 55, 157, 241, 785, 1205, 1727, 2651, 8635, 9857, 13255, 37837, 49285, 108427, 189185, 416207, 542135, 1547549, 2081035, 2375537, 7737745, 11877685, 17023039, 26130907, 85115195, 130654535, 372959309, 1864796545, 4102552399, 20512761995]

約数ペア:

[(1, 20512761995), (5, 4102552399), (11, 1864796545), (55, 372959309), (157, 130654535), (241, 85115195), (785, 26130907), (1205, 17023039), (1727, 11877685), (2651, 7737745), (8635, 2375537), (9857, 2081035), (13255, 1547549), (37837, 542135), (49285, 416207), (108427, 189185)]