20213908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{35339}}^1$

素因数の和:35367

約数の個数: 24

約数和(自身を含む): 41559840

約数和(自身を除く): 21345932

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 35339, 70678, 141356, 388729, 459407, 777458, 918814, 1554916, 1837628, 5053477, 10106954, 20213908]

約数ペア:

[(1, 20213908), (2, 10106954), (4, 5053477), (11, 1837628), (13, 1554916), (22, 918814), (26, 777458), (44, 459407), (52, 388729), (143, 141356), (286, 70678), (572, 35339)]