20251609072

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{643}}^1\times {\mathrm{63499}}^1$

素因数の和:64181

約数の個数: 40

約数和(自身を含む): 40566848000

約数和(自身を除く): 20315238928

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 643, 1286, 2572, 5144, 10288, 19933, 39866, 63499, 79732, 126998, 159464, 253996, 318928, 507992, 1015984, 1968469, 3936938, 7873876, 15747752, 31495504, 40829857, 81659714, 163319428, 326638856, 653277712, 1265725567, 2531451134, 5062902268, 10125804536, 20251609072]

約数ペア:

[(1, 20251609072), (2, 10125804536), (4, 5062902268), (8, 2531451134), (16, 1265725567), (31, 653277712), (62, 326638856), (124, 163319428), (248, 81659714), (496, 40829857), (643, 31495504), (1286, 15747752), (2572, 7873876), (5144, 3936938), (10288, 1968469), (19933, 1015984), (39866, 507992), (63499, 318928), (79732, 253996), (126998, 159464)]