20685714

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7351}}^1$

素因数の和:7430

約数の個数: 32

約数和(自身を含む): 47993856

約数和(自身を除く): 27308142

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814, 7351, 14702, 22053, 44106, 51457, 102914, 154371, 308742, 492517, 985034, 1477551, 2955102, 3447619, 6895238, 10342857, 20685714]

約数ペア:

[(1, 20685714), (2, 10342857), (3, 6895238), (6, 3447619), (7, 2955102), (14, 1477551), (21, 985034), (42, 492517), (67, 308742), (134, 154371), (201, 102914), (402, 51457), (469, 44106), (938, 22053), (1407, 14702), (2814, 7351)]