20526408

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:451

約数の個数: 96

約数和(自身を含む): 64209600

約数和(自身を除く): 43683192

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 139, 168, 252, 278, 293, 417, 504, 556, 586, 834, 879, 973, 1112, 1172, 1251, 1668, 1758, 1946, 2051, 2344, 2502, 2637, 2919, 3336, 3516, 3892, 4102, 5004, 5274, 5838, 6153, 7032, 7784, 8204, 8757, 10008, 10548, 11676, 12306, 16408, 17514, 18459, 21096, 23352, 24612, 35028, 36918, 40727, 49224, 70056, 73836, 81454, 122181, 147672, 162908, 244362, 285089, 325816, 366543, 488724, 570178, 733086, 855267, 977448, 1140356, 1466172, 1710534, 2280712, 2565801, 2932344, 3421068, 5131602, 6842136, 10263204, 20526408]

約数ペア:

[(1, 20526408), (2, 10263204), (3, 6842136), (4, 5131602), (6, 3421068), (7, 2932344), (8, 2565801), (9, 2280712), (12, 1710534), (14, 1466172), (18, 1140356), (21, 977448), (24, 855267), (28, 733086), (36, 570178), (42, 488724), (56, 366543), (63, 325816), (72, 285089), (84, 244362), (126, 162908), (139, 147672), (168, 122181), (252, 81454), (278, 73836), (293, 70056), (417, 49224), (504, 40727), (556, 36918), (586, 35028), (834, 24612), (879, 23352), (973, 21096), (1112, 18459), (1172, 17514), (1251, 16408), (1668, 12306), (1758, 11676), (1946, 10548), (2051, 10008), (2344, 8757), (2502, 8204), (2637, 7784), (2919, 7032), (3336, 6153), (3516, 5838), (3892, 5274), (4102, 5004)]