20449884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 59885056

約数和(自身を除く): 39435172

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 61, 78, 84, 91, 122, 156, 182, 183, 244, 273, 307, 364, 366, 427, 546, 614, 732, 793, 854, 921, 1092, 1228, 1281, 1586, 1708, 1842, 2149, 2379, 2562, 3172, 3684, 3991, 4298, 4758, 5124, 5551, 6447, 7982, 8596, 9516, 11102, 11973, 12894, 15964, 16653, 18727, 22204, 23946, 25788, 27937, 33306, 37454, 47892, 55874, 56181, 66612, 74908, 83811, 111748, 112362, 131089, 167622, 224724, 243451, 262178, 335244, 393267, 486902, 524356, 730353, 786534, 973804, 1460706, 1573068, 1704157, 2921412, 3408314, 5112471, 6816628, 10224942, 20449884]

約数ペア:

[(1, 20449884), (2, 10224942), (3, 6816628), (4, 5112471), (6, 3408314), (7, 2921412), (12, 1704157), (13, 1573068), (14, 1460706), (21, 973804), (26, 786534), (28, 730353), (39, 524356), (42, 486902), (52, 393267), (61, 335244), (78, 262178), (84, 243451), (91, 224724), (122, 167622), (156, 131089), (182, 112362), (183, 111748), (244, 83811), (273, 74908), (307, 66612), (364, 56181), (366, 55874), (427, 47892), (546, 37454), (614, 33306), (732, 27937), (793, 25788), (854, 23946), (921, 22204), (1092, 18727), (1228, 16653), (1281, 15964), (1586, 12894), (1708, 11973), (1842, 11102), (2149, 9516), (2379, 8596), (2562, 7982), (3172, 6447), (3684, 5551), (3991, 5124), (4298, 4758)]