20938326

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2137}}^1$

素因数の和:2236

約数の個数: 32

約数和(自身を含む): 44333568

約数和(自身を除く): 23395242

約数列:

[1, 2, 3, 6, 23, 46, 69, 71, 138, 142, 213, 426, 1633, 2137, 3266, 4274, 4899, 6411, 9798, 12822, 49151, 98302, 147453, 151727, 294906, 303454, 455181, 910362, 3489721, 6979442, 10469163, 20938326]

約数ペア:

[(1, 20938326), (2, 10469163), (3, 6979442), (6, 3489721), (23, 910362), (46, 455181), (69, 303454), (71, 294906), (138, 151727), (142, 147453), (213, 98302), (426, 49151), (1633, 12822), (2137, 9798), (3266, 6411), (4274, 4899)]