20160993021

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1663}}^1\times {\mathrm{2269}}^1$

素因数の和:4085

約数の個数: 32

約数和(自身を含む): 29190819840

約数和(自身を除く): 9029826819

約数列:

[1, 3, 13, 39, 137, 411, 1663, 1781, 2269, 4989, 5343, 6807, 21619, 29497, 64857, 88491, 227831, 310853, 683493, 932559, 2961803, 3773347, 4041089, 8885409, 11320041, 12123267, 49053511, 147160533, 516948539, 1550845617, 6720331007, 20160993021]

約数ペア:

[(1, 20160993021), (3, 6720331007), (13, 1550845617), (39, 516948539), (137, 147160533), (411, 49053511), (1663, 12123267), (1781, 11320041), (2269, 8885409), (4989, 4041089), (5343, 3773347), (6807, 2961803), (21619, 932559), (29497, 683493), (64857, 310853), (88491, 227831)]