20122894407

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{138493}}^1$

素因数の和:138568

約数の個数: 64

約数和(自身を含む): 36376280064

約数和(自身を除く): 16253385657

約数列:

[1, 3, 7, 11, 17, 21, 33, 37, 51, 77, 111, 119, 187, 231, 259, 357, 407, 561, 629, 777, 1221, 1309, 1887, 2849, 3927, 4403, 6919, 8547, 13209, 20757, 48433, 138493, 145299, 415479, 969451, 1523423, 2354381, 2908353, 4570269, 5124241, 7063143, 10663961, 15372723, 16480667, 25898191, 31991883, 35869687, 49442001, 56366651, 77694573, 87112097, 107609061, 169099953, 181287337, 261336291, 394566557, 543862011, 609784679, 958233067, 1183699671, 1829354037, 2874699201, 6707631469, 20122894407]

約数ペア:

[(1, 20122894407), (3, 6707631469), (7, 2874699201), (11, 1829354037), (17, 1183699671), (21, 958233067), (33, 609784679), (37, 543862011), (51, 394566557), (77, 261336291), (111, 181287337), (119, 169099953), (187, 107609061), (231, 87112097), (259, 77694573), (357, 56366651), (407, 49442001), (561, 35869687), (629, 31991883), (777, 25898191), (1221, 16480667), (1309, 15372723), (1887, 10663961), (2849, 7063143), (3927, 5124241), (4403, 4570269), (6919, 2908353), (8547, 2354381), (13209, 1523423), (20757, 969451), (48433, 415479), (138493, 145299)]