20109631905

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{99817}}^1$

素因数の和:99887

約数の個数: 72

約数和(自身を含む): 39349453416

約数和(自身を除く): 19239821511

約数列:

[1, 3, 5, 9, 11, 15, 33, 37, 45, 55, 99, 111, 121, 165, 185, 333, 363, 407, 495, 555, 605, 1089, 1221, 1665, 1815, 2035, 3663, 4477, 5445, 6105, 13431, 18315, 22385, 40293, 67155, 99817, 201465, 299451, 499085, 898353, 1097987, 1497255, 3293961, 3693229, 4491765, 5489935, 9881883, 11079687, 12077857, 16469805, 18466145, 33239061, 36233571, 40625519, 49409415, 55398435, 60389285, 108700713, 121876557, 166195305, 181167855, 203127595, 365629671, 446880709, 543503565, 609382785, 1340642127, 1828148355, 2234403545, 4021926381, 6703210635, 20109631905]

約数ペア:

[(1, 20109631905), (3, 6703210635), (5, 4021926381), (9, 2234403545), (11, 1828148355), (15, 1340642127), (33, 609382785), (37, 543503565), (45, 446880709), (55, 365629671), (99, 203127595), (111, 181167855), (121, 166195305), (165, 121876557), (185, 108700713), (333, 60389285), (363, 55398435), (407, 49409415), (495, 40625519), (555, 36233571), (605, 33239061), (1089, 18466145), (1221, 16469805), (1665, 12077857), (1815, 11079687), (2035, 9881883), (3663, 5489935), (4477, 4491765), (5445, 3693229), (6105, 3293961), (13431, 1497255), (18315, 1097987), (22385, 898353), (40293, 499085), (67155, 299451), (99817, 201465)]