20798959115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1\times {\mathrm{937}}^1$

素因数の和:1308

約数の個数: 64

約数和(自身を含む): 28838412288

約数和(自身を除く): 8039453173

約数列:

[1, 5, 11, 31, 47, 55, 155, 235, 277, 341, 517, 937, 1385, 1457, 1705, 2585, 3047, 4685, 7285, 8587, 10307, 13019, 15235, 16027, 29047, 42935, 44039, 51535, 65095, 80135, 94457, 143209, 145235, 220195, 259549, 319517, 403589, 472285, 484429, 716045, 1297745, 1365209, 1597585, 2017945, 2422145, 2855039, 4439479, 6826045, 8046019, 12198803, 14275195, 15017299, 22197395, 40230095, 60994015, 75086495, 88506209, 134186833, 378162893, 442531045, 670934165, 1890814465, 4159791823, 20798959115]

約数ペア:

[(1, 20798959115), (5, 4159791823), (11, 1890814465), (31, 670934165), (47, 442531045), (55, 378162893), (155, 134186833), (235, 88506209), (277, 75086495), (341, 60994015), (517, 40230095), (937, 22197395), (1385, 15017299), (1457, 14275195), (1705, 12198803), (2585, 8046019), (3047, 6826045), (4685, 4439479), (7285, 2855039), (8587, 2422145), (10307, 2017945), (13019, 1597585), (15235, 1365209), (16027, 1297745), (29047, 716045), (42935, 484429), (44039, 472285), (51535, 403589), (65095, 319517), (80135, 259549), (94457, 220195), (143209, 145235)]