20154779722

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{881}}^1\times {\mathrm{997}}^1$

素因数の和:2047

約数の個数: 64

約数和(自身を含む): 38026195200

約数和(自身を除く): 17871415478

約数列:

[1, 2, 7, 11, 14, 22, 77, 149, 154, 298, 881, 997, 1043, 1639, 1762, 1994, 2086, 3278, 6167, 6979, 9691, 10967, 11473, 12334, 13958, 19382, 21934, 22946, 67837, 76769, 131269, 135674, 148553, 153538, 262538, 297106, 878357, 918883, 1039871, 1443959, 1634083, 1756714, 1837766, 2079742, 2887918, 3268166, 6148499, 9661927, 10107713, 11438581, 12296998, 19323854, 20215426, 22877162, 67633489, 130875193, 135266978, 261750386, 916126351, 1439627123, 1832252702, 2879254246, 10077389861, 20154779722]

約数ペア:

[(1, 20154779722), (2, 10077389861), (7, 2879254246), (11, 1832252702), (14, 1439627123), (22, 916126351), (77, 261750386), (149, 135266978), (154, 130875193), (298, 67633489), (881, 22877162), (997, 20215426), (1043, 19323854), (1639, 12296998), (1762, 11438581), (1994, 10107713), (2086, 9661927), (3278, 6148499), (6167, 3268166), (6979, 2887918), (9691, 2079742), (10967, 1837766), (11473, 1756714), (12334, 1634083), (13958, 1443959), (19382, 1039871), (21934, 918883), (22946, 878357), (67837, 297106), (76769, 262538), (131269, 153538), (135674, 148553)]