20426210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9413}}^1$

素因数の和:9458

約数の個数: 32

約数和(自身を含む): 43379712

約数和(自身を除く): 22953502

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 9413, 18826, 47065, 65891, 94130, 131782, 291803, 329455, 583606, 658910, 1459015, 2042621, 2918030, 4085242, 10213105, 20426210]

約数ペア:

[(1, 20426210), (2, 10213105), (5, 4085242), (7, 2918030), (10, 2042621), (14, 1459015), (31, 658910), (35, 583606), (62, 329455), (70, 291803), (155, 131782), (217, 94130), (310, 65891), (434, 47065), (1085, 18826), (2170, 9413)]