20738047705

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{10861}}^1$

素因数の和:11185

約数の個数: 32

約数和(自身を含む): 26590176000

約数和(自身を除く): 5852128295

約数列:

[1, 5, 19, 95, 101, 199, 505, 995, 1919, 3781, 9595, 10861, 18905, 20099, 54305, 100495, 206359, 381881, 1031795, 1096961, 1909405, 2161339, 5484805, 10806695, 20842259, 41065441, 104211295, 205327205, 218295239, 1091476195, 4147609541, 20738047705]

約数ペア:

[(1, 20738047705), (5, 4147609541), (19, 1091476195), (95, 218295239), (101, 205327205), (199, 104211295), (505, 41065441), (995, 20842259), (1919, 10806695), (3781, 5484805), (9595, 2161339), (10861, 1909405), (18905, 1096961), (20099, 1031795), (54305, 381881), (100495, 206359)]