20682018

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:332

約数の個数: 72

約数和(自身を含む): 52818480

約数和(自身を除く): 32136462

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 131, 147, 179, 262, 294, 358, 393, 441, 537, 786, 882, 917, 1074, 1179, 1253, 1611, 1834, 2358, 2506, 2751, 3222, 3759, 5502, 6419, 7518, 8253, 8771, 11277, 12838, 16506, 17542, 19257, 22554, 23449, 26313, 38514, 46898, 52626, 57771, 70347, 78939, 115542, 140694, 157878, 164143, 211041, 328286, 422082, 492429, 984858, 1149001, 1477287, 2298002, 2954574, 3447003, 6894006, 10341009, 20682018]

約数ペア:

[(1, 20682018), (2, 10341009), (3, 6894006), (6, 3447003), (7, 2954574), (9, 2298002), (14, 1477287), (18, 1149001), (21, 984858), (42, 492429), (49, 422082), (63, 328286), (98, 211041), (126, 164143), (131, 157878), (147, 140694), (179, 115542), (262, 78939), (294, 70347), (358, 57771), (393, 52626), (441, 46898), (537, 38514), (786, 26313), (882, 23449), (917, 22554), (1074, 19257), (1179, 17542), (1253, 16506), (1611, 12838), (1834, 11277), (2358, 8771), (2506, 8253), (2751, 7518), (3222, 6419), (3759, 5502)]