20097566848

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{643}}^1\times {\mathrm{7877}}^1$

素因数の和:8565

約数の個数: 64

約数和(自身を含む): 41399205120

約数和(自身を除く): 21301638272

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 643, 992, 1286, 1984, 2572, 3968, 5144, 7877, 10288, 15754, 19933, 20576, 31508, 39866, 41152, 63016, 79732, 82304, 126032, 159464, 244187, 252064, 318928, 488374, 504128, 637856, 976748, 1008256, 1275712, 1953496, 2551424, 3906992, 5064911, 7813984, 10129822, 15627968, 20259644, 31255936, 40519288, 81038576, 157012241, 162077152, 314024482, 324154304, 628048964, 648308608, 1256097928, 2512195856, 5024391712, 10048783424, 20097566848]

約数ペア:

[(1, 20097566848), (2, 10048783424), (4, 5024391712), (8, 2512195856), (16, 1256097928), (31, 648308608), (32, 628048964), (62, 324154304), (64, 314024482), (124, 162077152), (128, 157012241), (248, 81038576), (496, 40519288), (643, 31255936), (992, 20259644), (1286, 15627968), (1984, 10129822), (2572, 7813984), (3968, 5064911), (5144, 3906992), (7877, 2551424), (10288, 1953496), (15754, 1275712), (19933, 1008256), (20576, 976748), (31508, 637856), (39866, 504128), (41152, 488374), (63016, 318928), (79732, 252064), (82304, 244187), (126032, 159464)]