20697960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1259}}^1$

素因数の和:1410

約数の個数: 64

約数和(自身を含む): 62596800

約数和(自身を除く): 41898840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 137, 274, 411, 548, 685, 822, 1096, 1259, 1370, 1644, 2055, 2518, 2740, 3288, 3777, 4110, 5036, 5480, 6295, 7554, 8220, 10072, 12590, 15108, 16440, 18885, 25180, 30216, 37770, 50360, 75540, 151080, 172483, 344966, 517449, 689932, 862415, 1034898, 1379864, 1724830, 2069796, 2587245, 3449660, 4139592, 5174490, 6899320, 10348980, 20697960]

約数ペア:

[(1, 20697960), (2, 10348980), (3, 6899320), (4, 5174490), (5, 4139592), (6, 3449660), (8, 2587245), (10, 2069796), (12, 1724830), (15, 1379864), (20, 1034898), (24, 862415), (30, 689932), (40, 517449), (60, 344966), (120, 172483), (137, 151080), (274, 75540), (411, 50360), (548, 37770), (685, 30216), (822, 25180), (1096, 18885), (1259, 16440), (1370, 15108), (1644, 12590), (2055, 10072), (2518, 8220), (2740, 7554), (3288, 6295), (3777, 5480), (4110, 5036)]