20239760

素因数分解:

$2^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{587}}^1$

素因数の和:1031

約数の個数: 40

約数和(自身を含む): 47246976

約数和(自身を除く): 27007216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 431, 587, 862, 1174, 1724, 2155, 2348, 2935, 3448, 4310, 4696, 5870, 6896, 8620, 9392, 11740, 17240, 23480, 34480, 46960, 252997, 505994, 1011988, 1264985, 2023976, 2529970, 4047952, 5059940, 10119880, 20239760]

約数ペア:

[(1, 20239760), (2, 10119880), (4, 5059940), (5, 4047952), (8, 2529970), (10, 2023976), (16, 1264985), (20, 1011988), (40, 505994), (80, 252997), (431, 46960), (587, 34480), (862, 23480), (1174, 17240), (1724, 11740), (2155, 9392), (2348, 8620), (2935, 6896), (3448, 5870), (4310, 4696)]