20958910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1319}}^1$

素因数の和:1560

約数の個数: 32

約数和(自身を含む): 43338240

約数和(自身を除く): 22379330

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 227, 454, 1135, 1319, 1589, 2270, 2638, 3178, 6595, 7945, 9233, 13190, 15890, 18466, 46165, 92330, 299413, 598826, 1497065, 2095891, 2994130, 4191782, 10479455, 20958910]

約数ペア:

[(1, 20958910), (2, 10479455), (5, 4191782), (7, 2994130), (10, 2095891), (14, 1497065), (35, 598826), (70, 299413), (227, 92330), (454, 46165), (1135, 18466), (1319, 15890), (1589, 13190), (2270, 9233), (2638, 7945), (3178, 6595)]