20290776

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{509}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 55814400

約数和(自身を除く): 35523624

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 151, 264, 302, 453, 509, 604, 906, 1018, 1208, 1527, 1661, 1812, 2036, 3054, 3322, 3624, 4072, 4983, 5599, 6108, 6644, 9966, 11198, 12216, 13288, 16797, 19932, 22396, 33594, 39864, 44792, 67188, 76859, 134376, 153718, 230577, 307436, 461154, 614872, 845449, 922308, 1690898, 1844616, 2536347, 3381796, 5072694, 6763592, 10145388, 20290776]

約数ペア:

[(1, 20290776), (2, 10145388), (3, 6763592), (4, 5072694), (6, 3381796), (8, 2536347), (11, 1844616), (12, 1690898), (22, 922308), (24, 845449), (33, 614872), (44, 461154), (66, 307436), (88, 230577), (132, 153718), (151, 134376), (264, 76859), (302, 67188), (453, 44792), (509, 39864), (604, 33594), (906, 22396), (1018, 19932), (1208, 16797), (1527, 13288), (1661, 12216), (1812, 11198), (2036, 9966), (3054, 6644), (3322, 6108), (3624, 5599), (4072, 4983)]