20782752445

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{13913}}^1$

素因数の和:14019

約数の個数: 64

約数和(自身を含む): 31790707200

約数和(自身を除く): 11007954755

約数列:

[1, 5, 7, 13, 35, 49, 65, 67, 91, 245, 335, 343, 455, 469, 637, 871, 1715, 2345, 3185, 3283, 4355, 4459, 6097, 13913, 16415, 22295, 22981, 30485, 42679, 69565, 97391, 114905, 180869, 213395, 298753, 486955, 681737, 904345, 932171, 1266083, 1493765, 3408685, 4660855, 4772159, 6330415, 6525197, 8862581, 12118223, 23860795, 32625985, 44312905, 45676379, 60591115, 62038067, 84827561, 228381895, 310190335, 319734653, 424137805, 593792927, 1598673265, 2968964635, 4156550489, 20782752445]

約数ペア:

[(1, 20782752445), (5, 4156550489), (7, 2968964635), (13, 1598673265), (35, 593792927), (49, 424137805), (65, 319734653), (67, 310190335), (91, 228381895), (245, 84827561), (335, 62038067), (343, 60591115), (455, 45676379), (469, 44312905), (637, 32625985), (871, 23860795), (1715, 12118223), (2345, 8862581), (3185, 6525197), (3283, 6330415), (4355, 4772159), (4459, 4660855), (6097, 3408685), (13913, 1493765), (16415, 1266083), (22295, 932171), (22981, 904345), (30485, 681737), (42679, 486955), (69565, 298753), (97391, 213395), (114905, 180869)]