20794956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 60587520

約数和(自身を除く): 39792564

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 137, 139, 156, 182, 273, 274, 278, 364, 411, 417, 546, 548, 556, 822, 834, 959, 973, 1092, 1644, 1668, 1781, 1807, 1918, 1946, 2877, 2919, 3562, 3614, 3836, 3892, 5343, 5421, 5754, 5838, 7124, 7228, 10686, 10842, 11508, 11676, 12467, 12649, 19043, 21372, 21684, 24934, 25298, 37401, 37947, 38086, 49868, 50596, 57129, 74802, 75894, 76172, 114258, 133301, 149604, 151788, 228516, 247559, 266602, 399903, 495118, 533204, 742677, 799806, 990236, 1485354, 1599612, 1732913, 2970708, 3465826, 5198739, 6931652, 10397478, 20794956]

約数ペア:

[(1, 20794956), (2, 10397478), (3, 6931652), (4, 5198739), (6, 3465826), (7, 2970708), (12, 1732913), (13, 1599612), (14, 1485354), (21, 990236), (26, 799806), (28, 742677), (39, 533204), (42, 495118), (52, 399903), (78, 266602), (84, 247559), (91, 228516), (137, 151788), (139, 149604), (156, 133301), (182, 114258), (273, 76172), (274, 75894), (278, 74802), (364, 57129), (411, 50596), (417, 49868), (546, 38086), (548, 37947), (556, 37401), (822, 25298), (834, 24934), (959, 21684), (973, 21372), (1092, 19043), (1644, 12649), (1668, 12467), (1781, 11676), (1807, 11508), (1918, 10842), (1946, 10686), (2877, 7228), (2919, 7124), (3562, 5838), (3614, 5754), (3836, 5421), (3892, 5343)]