20736604

素因数分解:

$2^2\times 7^2\times {\mathrm{241}}^1\times {\mathrm{439}}^1$

素因数の和:698

約数の個数: 36

約数和(自身を含む): 42485520

約数和(自身を除く): 21748916

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 241, 439, 482, 878, 964, 1687, 1756, 3073, 3374, 6146, 6748, 11809, 12292, 21511, 23618, 43022, 47236, 86044, 105799, 211598, 423196, 740593, 1481186, 2962372, 5184151, 10368302, 20736604]

約数ペア:

[(1, 20736604), (2, 10368302), (4, 5184151), (7, 2962372), (14, 1481186), (28, 740593), (49, 423196), (98, 211598), (196, 105799), (241, 86044), (439, 47236), (482, 43022), (878, 23618), (964, 21511), (1687, 12292), (1756, 11809), (3073, 6748), (3374, 6146)]