20922080

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3041}}^1$

素因数の和:3099

約数の個数: 48

約数和(自身を含む): 50594544

約数和(自身を除く): 29672464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3041, 3440, 6082, 6880, 12164, 15205, 24328, 30410, 48656, 60820, 97312, 121640, 130763, 243280, 261526, 486560, 523052, 653815, 1046104, 1307630, 2092208, 2615260, 4184416, 5230520, 10461040, 20922080]

約数ペア:

[(1, 20922080), (2, 10461040), (4, 5230520), (5, 4184416), (8, 2615260), (10, 2092208), (16, 1307630), (20, 1046104), (32, 653815), (40, 523052), (43, 486560), (80, 261526), (86, 243280), (160, 130763), (172, 121640), (215, 97312), (344, 60820), (430, 48656), (688, 30410), (860, 24328), (1376, 15205), (1720, 12164), (3041, 6880), (3440, 6082)]