20168703921

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{919}}^1\times {\mathrm{1693}}^1$

素因数の和:2793

約数の個数: 32

約数和(自身を含む): 28052640000

約数和(自身を除く): 7883936079

約数列:

[1, 3, 29, 87, 149, 447, 919, 1693, 2757, 4321, 5079, 12963, 26651, 49097, 79953, 136931, 147291, 252257, 410793, 756771, 1555867, 3970999, 4667601, 7315453, 11912997, 21946359, 45120143, 135360429, 231824183, 695472549, 6722901307, 20168703921]

約数ペア:

[(1, 20168703921), (3, 6722901307), (29, 695472549), (87, 231824183), (149, 135360429), (447, 45120143), (919, 21946359), (1693, 11912997), (2757, 7315453), (4321, 4667601), (5079, 3970999), (12963, 1555867), (26651, 756771), (49097, 410793), (79953, 252257), (136931, 147291)]