20194688752

素因数分解:

$2^4\times 7^1\times {\mathrm{199}}^1\times {\mathrm{937}}^1\times {\mathrm{967}}^1$

素因数の和:2118

約数の個数: 80

約数和(自身を含む): 45036006400

約数和(自身を除く): 24841317648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 199, 398, 796, 937, 967, 1393, 1592, 1874, 1934, 2786, 3184, 3748, 3868, 5572, 6559, 6769, 7496, 7736, 11144, 13118, 13538, 14992, 15472, 22288, 26236, 27076, 52472, 54152, 104944, 108304, 186463, 192433, 372926, 384866, 745852, 769732, 906079, 1305241, 1347031, 1491704, 1539464, 1812158, 2610482, 2694062, 2983408, 3078928, 3624316, 5220964, 5388124, 6342553, 7248632, 10441928, 10776248, 12685106, 14497264, 20883856, 21552496, 25370212, 50740424, 101480848, 180309721, 360619442, 721238884, 1262168047, 1442477768, 2524336094, 2884955536, 5048672188, 10097344376, 20194688752]

約数ペア:

[(1, 20194688752), (2, 10097344376), (4, 5048672188), (7, 2884955536), (8, 2524336094), (14, 1442477768), (16, 1262168047), (28, 721238884), (56, 360619442), (112, 180309721), (199, 101480848), (398, 50740424), (796, 25370212), (937, 21552496), (967, 20883856), (1393, 14497264), (1592, 12685106), (1874, 10776248), (1934, 10441928), (2786, 7248632), (3184, 6342553), (3748, 5388124), (3868, 5220964), (5572, 3624316), (6559, 3078928), (6769, 2983408), (7496, 2694062), (7736, 2610482), (11144, 1812158), (13118, 1539464), (13538, 1491704), (14992, 1347031), (15472, 1305241), (22288, 906079), (26236, 769732), (27076, 745852), (52472, 384866), (54152, 372926), (104944, 192433), (108304, 186463)]