20565513345

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2850383}}^1$

素因数の和:2850441

約数の個数: 32

約数和(自身を含む): 36393702912

約数和(自身を除く): 15828189567

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 7215, 2850383, 8551149, 14251915, 37054979, 42755745, 105464171, 111164937, 185274895, 316392513, 527320855, 555824685, 1371034223, 1581962565, 4113102669, 6855171115, 20565513345]

約数ペア:

[(1, 20565513345), (3, 6855171115), (5, 4113102669), (13, 1581962565), (15, 1371034223), (37, 555824685), (39, 527320855), (65, 316392513), (111, 185274895), (185, 111164937), (195, 105464171), (481, 42755745), (555, 37054979), (1443, 14251915), (2405, 8551149), (7215, 2850383)]