20574906

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1213}}^1$

素因数の和:1486

約数の個数: 32

約数和(自身を含む): 45102528

約数和(自身を除く): 24527622

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 257, 514, 771, 1213, 1542, 2426, 2827, 3639, 5654, 7278, 8481, 13343, 16962, 26686, 40029, 80058, 311741, 623482, 935223, 1870446, 3429151, 6858302, 10287453, 20574906]

約数ペア:

[(1, 20574906), (2, 10287453), (3, 6858302), (6, 3429151), (11, 1870446), (22, 935223), (33, 623482), (66, 311741), (257, 80058), (514, 40029), (771, 26686), (1213, 16962), (1542, 13343), (2426, 8481), (2827, 7278), (3639, 5654)]