20700022

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 36652032

約数和(自身を除く): 15952010

約数列:

[1, 2, 7, 14, 47, 94, 163, 193, 326, 329, 386, 658, 1141, 1351, 2282, 2702, 7661, 9071, 15322, 18142, 31459, 53627, 62918, 63497, 107254, 126994, 220213, 440426, 1478573, 2957146, 10350011, 20700022]

約数ペア:

[(1, 20700022), (2, 10350011), (7, 2957146), (14, 1478573), (47, 440426), (94, 220213), (163, 126994), (193, 107254), (326, 63497), (329, 62918), (386, 53627), (658, 31459), (1141, 18142), (1351, 15322), (2282, 9071), (2702, 7661)]