20382515517

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{16699}}^1$

素因数の和:17002

約数の個数: 64

約数和(自身を含む): 35552563200

約数和(自身を除く): 15170047683

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 263, 273, 357, 663, 789, 1547, 1841, 3419, 4471, 4641, 5523, 10257, 13413, 16699, 23933, 31297, 50097, 58123, 71799, 93891, 116893, 174369, 217087, 283883, 350679, 406861, 651261, 851649, 1220583, 1519609, 1987181, 3690479, 4391837, 4558827, 5961543, 11071437, 13175511, 25833353, 30742859, 57093881, 74661229, 77500059, 92228577, 171281643, 223983687, 399657167, 522628603, 970595977, 1198971501, 1567885809, 2911787931, 6794171839, 20382515517]

約数ペア:

[(1, 20382515517), (3, 6794171839), (7, 2911787931), (13, 1567885809), (17, 1198971501), (21, 970595977), (39, 522628603), (51, 399657167), (91, 223983687), (119, 171281643), (221, 92228577), (263, 77500059), (273, 74661229), (357, 57093881), (663, 30742859), (789, 25833353), (1547, 13175511), (1841, 11071437), (3419, 5961543), (4471, 4558827), (4641, 4391837), (5523, 3690479), (10257, 1987181), (13413, 1519609), (16699, 1220583), (23933, 851649), (31297, 651261), (50097, 406861), (58123, 350679), (71799, 283883), (93891, 217087), (116893, 174369)]