20885368

素因数分解:

$2^3\times 7^2\times {\mathrm{53279}}^1$

素因数の和:53299

約数の個数: 24

約数和(自身を含む): 45554400

約数和(自身を除く): 24669032

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 53279, 106558, 213116, 372953, 426232, 745906, 1491812, 2610671, 2983624, 5221342, 10442684, 20885368]

約数ペア:

[(1, 20885368), (2, 10442684), (4, 5221342), (7, 2983624), (8, 2610671), (14, 1491812), (28, 745906), (49, 426232), (56, 372953), (98, 213116), (196, 106558), (392, 53279)]