20382992

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1433}}^1$

素因数の和:1575

約数の個数: 40

約数和(自身を含む): 45520896

約数和(自身を除く): 25137904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1433, 1778, 2032, 2866, 3556, 5732, 7112, 10031, 11464, 14224, 20062, 22928, 40124, 80248, 160496, 181991, 363982, 727964, 1273937, 1455928, 2547874, 2911856, 5095748, 10191496, 20382992]

約数ペア:

[(1, 20382992), (2, 10191496), (4, 5095748), (7, 2911856), (8, 2547874), (14, 1455928), (16, 1273937), (28, 727964), (56, 363982), (112, 181991), (127, 160496), (254, 80248), (508, 40124), (889, 22928), (1016, 20062), (1433, 14224), (1778, 11464), (2032, 10031), (2866, 7112), (3556, 5732)]