20139027488

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{643}}^1\times {\mathrm{31573}}^1$

素因数の和:32257

約数の個数: 48

約数和(自身を含む): 40992650496

約数和(自身を除く): 20853623008

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 643, 992, 1286, 2572, 5144, 10288, 19933, 20576, 31573, 39866, 63146, 79732, 126292, 159464, 252584, 318928, 505168, 637856, 978763, 1010336, 1957526, 3915052, 7830104, 15660208, 20301439, 31320416, 40602878, 81205756, 162411512, 324823024, 629344609, 649646048, 1258689218, 2517378436, 5034756872, 10069513744, 20139027488]

約数ペア:

[(1, 20139027488), (2, 10069513744), (4, 5034756872), (8, 2517378436), (16, 1258689218), (31, 649646048), (32, 629344609), (62, 324823024), (124, 162411512), (248, 81205756), (496, 40602878), (643, 31320416), (992, 20301439), (1286, 15660208), (2572, 7830104), (5144, 3915052), (10288, 1957526), (19933, 1010336), (20576, 978763), (31573, 637856), (39866, 505168), (63146, 318928), (79732, 252584), (126292, 159464)]