20277648

素因数分解:

$2^4\times 3^3\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:733

約数の個数: 80

約数和(自身を含む): 59093440

約数和(自身を除く): 38815792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 73, 108, 144, 146, 216, 219, 292, 432, 438, 584, 643, 657, 876, 1168, 1286, 1314, 1752, 1929, 1971, 2572, 2628, 3504, 3858, 3942, 5144, 5256, 5787, 7716, 7884, 10288, 10512, 11574, 15432, 15768, 17361, 23148, 30864, 31536, 34722, 46296, 46939, 69444, 92592, 93878, 138888, 140817, 187756, 277776, 281634, 375512, 422451, 563268, 751024, 844902, 1126536, 1267353, 1689804, 2253072, 2534706, 3379608, 5069412, 6759216, 10138824, 20277648]

約数ペア:

[(1, 20277648), (2, 10138824), (3, 6759216), (4, 5069412), (6, 3379608), (8, 2534706), (9, 2253072), (12, 1689804), (16, 1267353), (18, 1126536), (24, 844902), (27, 751024), (36, 563268), (48, 422451), (54, 375512), (72, 281634), (73, 277776), (108, 187756), (144, 140817), (146, 138888), (216, 93878), (219, 92592), (292, 69444), (432, 46939), (438, 46296), (584, 34722), (643, 31536), (657, 30864), (876, 23148), (1168, 17361), (1286, 15768), (1314, 15432), (1752, 11574), (1929, 10512), (1971, 10288), (2572, 7884), (2628, 7716), (3504, 5787), (3858, 5256), (3942, 5144)]