20477226

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 51609600

約数和(自身を除く): 31132374

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 127, 154, 231, 254, 349, 381, 462, 698, 762, 889, 1047, 1397, 1778, 2094, 2443, 2667, 2794, 3839, 4191, 4886, 5334, 7329, 7678, 8382, 9779, 11517, 14658, 19558, 23034, 26873, 29337, 44323, 53746, 58674, 80619, 88646, 132969, 161238, 265938, 310261, 487553, 620522, 930783, 975106, 1462659, 1861566, 2925318, 3412871, 6825742, 10238613, 20477226]

約数ペア:

[(1, 20477226), (2, 10238613), (3, 6825742), (6, 3412871), (7, 2925318), (11, 1861566), (14, 1462659), (21, 975106), (22, 930783), (33, 620522), (42, 487553), (66, 310261), (77, 265938), (127, 161238), (154, 132969), (231, 88646), (254, 80619), (349, 58674), (381, 53746), (462, 44323), (698, 29337), (762, 26873), (889, 23034), (1047, 19558), (1397, 14658), (1778, 11517), (2094, 9779), (2443, 8382), (2667, 7678), (2794, 7329), (3839, 5334), (4191, 4886)]