20555238

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1231}}^1$

素因数の和:1281

約数の個数: 48

約数和(自身を含む): 47190528

約数和(自身を除く): 26635290

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 121, 138, 242, 253, 363, 506, 726, 759, 1231, 1518, 2462, 2783, 3693, 5566, 7386, 8349, 13541, 16698, 27082, 28313, 40623, 56626, 81246, 84939, 148951, 169878, 297902, 311443, 446853, 622886, 893706, 934329, 1868658, 3425873, 6851746, 10277619, 20555238]

約数ペア:

[(1, 20555238), (2, 10277619), (3, 6851746), (6, 3425873), (11, 1868658), (22, 934329), (23, 893706), (33, 622886), (46, 446853), (66, 311443), (69, 297902), (121, 169878), (138, 148951), (242, 84939), (253, 81246), (363, 56626), (506, 40623), (726, 28313), (759, 27082), (1231, 16698), (1518, 13541), (2462, 8349), (2783, 7386), (3693, 5566)]