20407742901

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3559697}}^1$

素因数の和:3559730

約数の個数: 36

約数和(自身を含む): 36928307052

約数和(自身を除く): 16520564151

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 5733, 3559697, 10679091, 24917879, 32037273, 46276061, 74753637, 138828183, 174425153, 224260911, 323932427, 416484549, 523275459, 971797281, 1569826377, 2267526989, 2915391843, 6802580967, 20407742901]

約数ペア:

[(1, 20407742901), (3, 6802580967), (7, 2915391843), (9, 2267526989), (13, 1569826377), (21, 971797281), (39, 523275459), (49, 416484549), (63, 323932427), (91, 224260911), (117, 174425153), (147, 138828183), (273, 74753637), (441, 46276061), (637, 32037273), (819, 24917879), (1911, 10679091), (5733, 3559697)]