20079920655

素因数分解:

$3^4\times 5^1\times {\mathrm{12619}}^1\times {\mathrm{3929}}^1$

素因数の和:16565

約数の個数: 40

約数和(自身を含む): 36007131600

約数和(自身を除く): 15927210945

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3929, 11787, 12619, 19645, 35361, 37857, 58935, 63095, 106083, 113571, 176805, 189285, 318249, 340713, 530415, 567855, 1022139, 1591245, 1703565, 5110695, 49580051, 148740153, 247900255, 446220459, 743700765, 1338661377, 2231102295, 4015984131, 6693306885, 20079920655]

約数ペア:

[(1, 20079920655), (3, 6693306885), (5, 4015984131), (9, 2231102295), (15, 1338661377), (27, 743700765), (45, 446220459), (81, 247900255), (135, 148740153), (405, 49580051), (3929, 5110695), (11787, 1703565), (12619, 1591245), (19645, 1022139), (35361, 567855), (37857, 530415), (58935, 340713), (63095, 318249), (106083, 189285), (113571, 176805)]