20803474945

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1185721}}^1$

素因数の和:1185777

約数の個数: 24

約数和(自身を含む): 28386184680

約数和(自身を除く): 7582709735

約数列:

[1, 5, 11, 29, 55, 121, 145, 319, 605, 1595, 3509, 17545, 1185721, 5928605, 13042931, 34385909, 65214655, 143472241, 171929545, 378244999, 717361205, 1891224995, 4160694989, 20803474945]

約数ペア:

[(1, 20803474945), (5, 4160694989), (11, 1891224995), (29, 717361205), (55, 378244999), (121, 171929545), (145, 143472241), (319, 65214655), (605, 34385909), (1595, 13042931), (3509, 5928605), (17545, 1185721)]