20960268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1$

素因数の和:627

約数の個数: 96

約数和(自身を含む): 61501440

約数和(自身を除く): 40541172

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 23, 28, 38, 42, 46, 57, 69, 76, 84, 92, 114, 133, 138, 161, 228, 266, 276, 322, 399, 437, 483, 532, 571, 644, 798, 874, 966, 1142, 1311, 1596, 1713, 1748, 1932, 2284, 2622, 3059, 3426, 3997, 5244, 6118, 6852, 7994, 9177, 10849, 11991, 12236, 13133, 15988, 18354, 21698, 23982, 26266, 32547, 36708, 39399, 43396, 47964, 52532, 65094, 75943, 78798, 91931, 130188, 151886, 157596, 183862, 227829, 249527, 275793, 303772, 367724, 455658, 499054, 551586, 748581, 911316, 998108, 1103172, 1497162, 1746689, 2994324, 3493378, 5240067, 6986756, 10480134, 20960268]

約数ペア:

[(1, 20960268), (2, 10480134), (3, 6986756), (4, 5240067), (6, 3493378), (7, 2994324), (12, 1746689), (14, 1497162), (19, 1103172), (21, 998108), (23, 911316), (28, 748581), (38, 551586), (42, 499054), (46, 455658), (57, 367724), (69, 303772), (76, 275793), (84, 249527), (92, 227829), (114, 183862), (133, 157596), (138, 151886), (161, 130188), (228, 91931), (266, 78798), (276, 75943), (322, 65094), (399, 52532), (437, 47964), (483, 43396), (532, 39399), (571, 36708), (644, 32547), (798, 26266), (874, 23982), (966, 21698), (1142, 18354), (1311, 15988), (1596, 13133), (1713, 12236), (1748, 11991), (1932, 10849), (2284, 9177), (2622, 7994), (3059, 6852), (3426, 6118), (3997, 5244)]