20382901

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2729}}^1$

素因数の和:2844

約数の個数: 16

約数和(自身を含む): 25683840

約数和(自身を除く): 5300939

約数列:

[1, 7, 11, 77, 97, 679, 1067, 2729, 7469, 19103, 30019, 210133, 264713, 1852991, 2911843, 20382901]

約数ペア:

[(1, 20382901), (7, 2911843), (11, 1852991), (77, 264713), (97, 210133), (679, 30019), (1067, 19103), (2729, 7469)]