20406309

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{88339}}^1$

素因数の和:88360

約数の個数: 16

約数和(自身を含む): 33922560

約数和(自身を除く): 13516251

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 88339, 265017, 618373, 971729, 1855119, 2915187, 6802103, 20406309]

約数ペア:

[(1, 20406309), (3, 6802103), (7, 2915187), (11, 1855119), (21, 971729), (33, 618373), (77, 265017), (231, 88339)]