20509338

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 41904000

約数和(自身を除く): 21394662

約数列:

[1, 2, 3, 6, 89, 178, 193, 199, 267, 386, 398, 534, 579, 597, 1158, 1194, 17177, 17711, 34354, 35422, 38407, 51531, 53133, 76814, 103062, 106266, 115221, 230442, 3418223, 6836446, 10254669, 20509338]

約数ペア:

[(1, 20509338), (2, 10254669), (3, 6836446), (6, 3418223), (89, 230442), (178, 115221), (193, 106266), (199, 103062), (267, 76814), (386, 53133), (398, 51531), (534, 38407), (579, 35422), (597, 34354), (1158, 17711), (1194, 17177)]