20648432

素因数分解:

$2^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1723}}^1$

素因数の和:1845

約数の個数: 40

約数和(自身を含む): 46175616

約数和(自身を除く): 25527184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 107, 112, 214, 428, 749, 856, 1498, 1712, 1723, 2996, 3446, 5992, 6892, 11984, 12061, 13784, 24122, 27568, 48244, 96488, 184361, 192976, 368722, 737444, 1290527, 1474888, 2581054, 2949776, 5162108, 10324216, 20648432]

約数ペア:

[(1, 20648432), (2, 10324216), (4, 5162108), (7, 2949776), (8, 2581054), (14, 1474888), (16, 1290527), (28, 737444), (56, 368722), (107, 192976), (112, 184361), (214, 96488), (428, 48244), (749, 27568), (856, 24122), (1498, 13784), (1712, 12061), (1723, 11984), (2996, 6892), (3446, 5992)]