20604738

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:559

約数の個数: 64

約数和(自身を含む): 51996672

約数和(自身を除く): 31391934

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 103, 154, 206, 231, 309, 433, 462, 618, 721, 866, 1133, 1299, 1442, 2163, 2266, 2598, 3031, 3399, 4326, 4763, 6062, 6798, 7931, 9093, 9526, 14289, 15862, 18186, 23793, 28578, 33341, 44599, 47586, 66682, 89198, 100023, 133797, 200046, 267594, 312193, 490589, 624386, 936579, 981178, 1471767, 1873158, 2943534, 3434123, 6868246, 10302369, 20604738]

約数ペア:

[(1, 20604738), (2, 10302369), (3, 6868246), (6, 3434123), (7, 2943534), (11, 1873158), (14, 1471767), (21, 981178), (22, 936579), (33, 624386), (42, 490589), (66, 312193), (77, 267594), (103, 200046), (154, 133797), (206, 100023), (231, 89198), (309, 66682), (433, 47586), (462, 44599), (618, 33341), (721, 28578), (866, 23793), (1133, 18186), (1299, 15862), (1442, 14289), (2163, 9526), (2266, 9093), (2598, 7931), (3031, 6798), (3399, 6062), (4326, 4763)]