20405736

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^3\times {\mathrm{43}}^1$

素因数の和:97

約数の個数: 128

約数和(自身を含む): 62832000

約数和(自身を除く): 42426264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 43, 52, 54, 72, 78, 86, 104, 108, 117, 129, 156, 169, 172, 216, 234, 258, 312, 338, 344, 351, 387, 468, 507, 516, 559, 676, 702, 774, 936, 1014, 1032, 1118, 1161, 1352, 1404, 1521, 1548, 1677, 2028, 2197, 2236, 2322, 2808, 3042, 3096, 3354, 4056, 4394, 4472, 4563, 4644, 5031, 6084, 6591, 6708, 7267, 8788, 9126, 9288, 10062, 12168, 13182, 13416, 14534, 15093, 17576, 18252, 19773, 20124, 21801, 26364, 29068, 30186, 36504, 39546, 40248, 43602, 52728, 58136, 59319, 60372, 65403, 79092, 87204, 94471, 118638, 120744, 130806, 158184, 174408, 188942, 196209, 237276, 261612, 283413, 377884, 392418, 474552, 523224, 566826, 755768, 784836, 850239, 1133652, 1569672, 1700478, 2267304, 2550717, 3400956, 5101434, 6801912, 10202868, 20405736]

約数ペア:

[(1, 20405736), (2, 10202868), (3, 6801912), (4, 5101434), (6, 3400956), (8, 2550717), (9, 2267304), (12, 1700478), (13, 1569672), (18, 1133652), (24, 850239), (26, 784836), (27, 755768), (36, 566826), (39, 523224), (43, 474552), (52, 392418), (54, 377884), (72, 283413), (78, 261612), (86, 237276), (104, 196209), (108, 188942), (117, 174408), (129, 158184), (156, 130806), (169, 120744), (172, 118638), (216, 94471), (234, 87204), (258, 79092), (312, 65403), (338, 60372), (344, 59319), (351, 58136), (387, 52728), (468, 43602), (507, 40248), (516, 39546), (559, 36504), (676, 30186), (702, 29068), (774, 26364), (936, 21801), (1014, 20124), (1032, 19773), (1118, 18252), (1161, 17576), (1352, 15093), (1404, 14534), (1521, 13416), (1548, 13182), (1677, 12168), (2028, 10062), (2197, 9288), (2236, 9126), (2322, 8788), (2808, 7267), (3042, 6708), (3096, 6591), (3354, 6084), (4056, 5031), (4394, 4644), (4472, 4563)]