20195576121

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2200673}}^1$

素因数の和:2200725

約数の個数: 32

約数和(自身を含む): 33802352640

約数和(自身を除く): 13606776519

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 3059, 9177, 2200673, 6602019, 15404711, 41812787, 46214133, 50615479, 125438361, 151846437, 292689509, 354308353, 878068527, 961694101, 1062925059, 2885082303, 6731858707, 20195576121]

約数ペア:

[(1, 20195576121), (3, 6731858707), (7, 2885082303), (19, 1062925059), (21, 961694101), (23, 878068527), (57, 354308353), (69, 292689509), (133, 151846437), (161, 125438361), (399, 50615479), (437, 46214133), (483, 41812787), (1311, 15404711), (3059, 6602019), (9177, 2200673)]