20019596

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{487}}^1$

素因数の和:773

約数の個数: 24

約数和(自身を含む): 36072960

約数和(自身を除く): 16053364

約数列:

[1, 2, 4, 43, 86, 172, 239, 478, 487, 956, 974, 1948, 10277, 20554, 20941, 41108, 41882, 83764, 116393, 232786, 465572, 5004899, 10009798, 20019596]

約数ペア:

[(1, 20019596), (2, 10009798), (4, 5004899), (43, 465572), (86, 232786), (172, 116393), (239, 83764), (478, 41882), (487, 41108), (956, 20941), (974, 20554), (1948, 10277)]