20512754405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{277}}^1$

素因数の和:607

約数の個数: 96

約数和(自身を含む): 30241133568

約数和(自身を除く): 9728379163

約数列:

[1, 5, 11, 13, 31, 55, 65, 143, 155, 169, 257, 277, 341, 403, 715, 845, 1285, 1385, 1705, 1859, 2015, 2827, 3047, 3341, 3601, 4433, 5239, 7967, 8587, 9295, 14135, 15235, 16705, 18005, 22165, 26195, 36751, 39611, 39835, 42935, 43433, 46813, 57629, 71189, 87637, 94457, 103571, 111631, 183755, 198055, 217165, 234065, 288145, 355945, 438185, 472285, 477763, 514943, 517855, 558155, 783079, 925457, 1139281, 1227941, 1346423, 1451203, 2206859, 2388815, 2574715, 3915395, 4627285, 5696405, 6139705, 6732115, 7256015, 10180027, 11034295, 12030941, 14810653, 15963233, 24275449, 28689167, 50900135, 60154705, 74053265, 79816165, 121377245, 132340351, 143445835, 315580837, 372959171, 661701755, 1577904185, 1864795855, 4102550881, 20512754405]

約数ペア:

[(1, 20512754405), (5, 4102550881), (11, 1864795855), (13, 1577904185), (31, 661701755), (55, 372959171), (65, 315580837), (143, 143445835), (155, 132340351), (169, 121377245), (257, 79816165), (277, 74053265), (341, 60154705), (403, 50900135), (715, 28689167), (845, 24275449), (1285, 15963233), (1385, 14810653), (1705, 12030941), (1859, 11034295), (2015, 10180027), (2827, 7256015), (3047, 6732115), (3341, 6139705), (3601, 5696405), (4433, 4627285), (5239, 3915395), (7967, 2574715), (8587, 2388815), (9295, 2206859), (14135, 1451203), (15235, 1346423), (16705, 1227941), (18005, 1139281), (22165, 925457), (26195, 783079), (36751, 558155), (39611, 517855), (39835, 514943), (42935, 477763), (43433, 472285), (46813, 438185), (57629, 355945), (71189, 288145), (87637, 234065), (94457, 217165), (103571, 198055), (111631, 183755)]