20472309

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15907}}^1$

素因数の和:15937

約数の個数: 24

約数和(自身を含む): 34743072

約数和(自身を除く): 14270763

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 15907, 47721, 143163, 174977, 206791, 524931, 620373, 1574793, 1861119, 2274701, 6824103, 20472309]

約数ペア:

[(1, 20472309), (3, 6824103), (9, 2274701), (11, 1861119), (13, 1574793), (33, 620373), (39, 524931), (99, 206791), (117, 174977), (143, 143163), (429, 47721), (1287, 15907)]