20289962

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{367}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 38154240

約数和(自身を除く): 17864278

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 359, 367, 718, 734, 2513, 2569, 3949, 4037, 5026, 5138, 7898, 8074, 27643, 28259, 55286, 56518, 131753, 263506, 922271, 1449283, 1844542, 2898566, 10144981, 20289962]

約数ペア:

[(1, 20289962), (2, 10144981), (7, 2898566), (11, 1844542), (14, 1449283), (22, 922271), (77, 263506), (154, 131753), (359, 56518), (367, 55286), (718, 28259), (734, 27643), (2513, 8074), (2569, 7898), (3949, 5138), (4037, 5026)]