20554408

素因数分解:

$2^3\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1523}}^1$

素因数の和:1777

約数の個数: 32

約数和(自身を含む): 44256960

約数和(自身を除く): 23702552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 241, 482, 964, 1523, 1687, 1928, 3046, 3374, 6092, 6748, 10661, 12184, 13496, 21322, 42644, 85288, 367043, 734086, 1468172, 2569301, 2936344, 5138602, 10277204, 20554408]

約数ペア:

[(1, 20554408), (2, 10277204), (4, 5138602), (7, 2936344), (8, 2569301), (14, 1468172), (28, 734086), (56, 367043), (241, 85288), (482, 42644), (964, 21322), (1523, 13496), (1687, 12184), (1928, 10661), (3046, 6748), (3374, 6092)]