20635538

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2851}}^1$

素因数の和:2918

約数の個数: 32

約数和(自身を含む): 39426048

約数和(自身を除く): 18790510

約数列:

[1, 2, 7, 11, 14, 22, 47, 77, 94, 154, 329, 517, 658, 1034, 2851, 3619, 5702, 7238, 19957, 31361, 39914, 62722, 133997, 219527, 267994, 439054, 937979, 1473967, 1875958, 2947934, 10317769, 20635538]

約数ペア:

[(1, 20635538), (2, 10317769), (7, 2947934), (11, 1875958), (14, 1473967), (22, 937979), (47, 439054), (77, 267994), (94, 219527), (154, 133997), (329, 62722), (517, 39914), (658, 31361), (1034, 19957), (2851, 7238), (3619, 5702)]