20189949831

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{350137}}^1$

素因数の和:350335

約数の個数: 24

約数和(自身を含む): 30041840400

約数和(自身を除く): 9851890569

約数列:

[1, 3, 9, 43, 129, 149, 387, 447, 1341, 6407, 19221, 57663, 350137, 1050411, 3151233, 15055891, 45167673, 52170413, 135503019, 156511239, 469533717, 2243327759, 6729983277, 20189949831]

約数ペア:

[(1, 20189949831), (3, 6729983277), (9, 2243327759), (43, 469533717), (129, 156511239), (149, 135503019), (387, 52170413), (447, 45167673), (1341, 15055891), (6407, 3151233), (19221, 1050411), (57663, 350137)]