20886548

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6703}}^1$

素因数の和:6767

約数の個数: 24

約数和(自身を含む): 39419520

約数和(自身を除く): 18532972

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 6703, 13406, 26812, 127357, 254714, 274823, 509428, 549646, 1099292, 5221637, 10443274, 20886548]

約数ペア:

[(1, 20886548), (2, 10443274), (4, 5221637), (19, 1099292), (38, 549646), (41, 509428), (76, 274823), (82, 254714), (164, 127357), (779, 26812), (1558, 13406), (3116, 6703)]