20249944245

素因数分解:

$3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{7603}}^1$

素因数の和:7907

約数の個数: 64

約数和(自身を含む): 36535699200

約数和(自身を除く): 16285754955

約数列:

[1, 3, 5, 9, 15, 27, 45, 109, 135, 181, 327, 543, 545, 905, 981, 1629, 1635, 2715, 2943, 4887, 4905, 7603, 8145, 14715, 19729, 22809, 24435, 38015, 59187, 68427, 98645, 114045, 177561, 205281, 295935, 342135, 532683, 828727, 887805, 1026405, 1376143, 2486181, 2663415, 4128429, 4143635, 6880715, 7458543, 12385287, 12430905, 20642145, 22375629, 37155861, 37292715, 61926435, 111878145, 149999587, 185779305, 449998761, 749997935, 1349996283, 2249993805, 4049988849, 6749981415, 20249944245]

約数ペア:

[(1, 20249944245), (3, 6749981415), (5, 4049988849), (9, 2249993805), (15, 1349996283), (27, 749997935), (45, 449998761), (109, 185779305), (135, 149999587), (181, 111878145), (327, 61926435), (543, 37292715), (545, 37155861), (905, 22375629), (981, 20642145), (1629, 12430905), (1635, 12385287), (2715, 7458543), (2943, 6880715), (4887, 4143635), (4905, 4128429), (7603, 2663415), (8145, 2486181), (14715, 1376143), (19729, 1026405), (22809, 887805), (24435, 828727), (38015, 532683), (59187, 342135), (68427, 295935), (98645, 205281), (114045, 177561)]