20680440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15667}}^1$

素因数の和:15692

約数の個数: 64

約数和(自身を含む): 67685760

約数和(自身を除く): 47005320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15667, 31334, 47001, 62668, 78335, 94002, 125336, 156670, 172337, 188004, 235005, 313340, 344674, 376008, 470010, 517011, 626680, 689348, 861685, 940020, 1034022, 1378696, 1723370, 1880040, 2068044, 2585055, 3446740, 4136088, 5170110, 6893480, 10340220, 20680440]

約数ペア:

[(1, 20680440), (2, 10340220), (3, 6893480), (4, 5170110), (5, 4136088), (6, 3446740), (8, 2585055), (10, 2068044), (11, 1880040), (12, 1723370), (15, 1378696), (20, 1034022), (22, 940020), (24, 861685), (30, 689348), (33, 626680), (40, 517011), (44, 470010), (55, 376008), (60, 344674), (66, 313340), (88, 235005), (110, 188004), (120, 172337), (132, 156670), (165, 125336), (220, 94002), (264, 78335), (330, 62668), (440, 47001), (660, 31334), (1320, 15667)]