20762763

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3061}}^1$

素因数の和:3107

約数の個数: 32

約数和(自身を含む): 35274240

約数和(自身を除く): 14511477

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 3061, 6783, 9183, 21427, 52037, 58159, 64281, 156111, 174477, 364259, 407113, 988703, 1092777, 1221339, 2966109, 6920921, 20762763]

約数ペア:

[(1, 20762763), (3, 6920921), (7, 2966109), (17, 1221339), (19, 1092777), (21, 988703), (51, 407113), (57, 364259), (119, 174477), (133, 156111), (323, 64281), (357, 58159), (399, 52037), (969, 21427), (2261, 9183), (3061, 6783)]