20089916

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3433}}^1$

素因数の和:3474

約数の個数: 48

約数和(自身を含む): 46152960

約数和(自身を除く): 26063044

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 3433, 5852, 6866, 13732, 24031, 37763, 48062, 65227, 75526, 96124, 130454, 151052, 260908, 264341, 456589, 528682, 717497, 913178, 1057364, 1434994, 1826356, 2869988, 5022479, 10044958, 20089916]

約数ペア:

[(1, 20089916), (2, 10044958), (4, 5022479), (7, 2869988), (11, 1826356), (14, 1434994), (19, 1057364), (22, 913178), (28, 717497), (38, 528682), (44, 456589), (76, 264341), (77, 260908), (133, 151052), (154, 130454), (209, 96124), (266, 75526), (308, 65227), (418, 48062), (532, 37763), (836, 24031), (1463, 13732), (2926, 6866), (3433, 5852)]