20611888

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^2$

素因数の和:202

約数の個数: 60

約数和(自身を含む): 46691208

約数和(自身を除く): 26079320

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 83, 88, 136, 166, 176, 187, 272, 332, 374, 664, 748, 913, 1328, 1411, 1496, 1826, 2822, 2992, 3652, 5644, 6889, 7304, 11288, 13778, 14608, 15521, 22576, 27556, 31042, 55112, 62084, 75779, 110224, 117113, 124168, 151558, 234226, 248336, 303116, 468452, 606232, 936904, 1212464, 1288243, 1873808, 2576486, 5152972, 10305944, 20611888]

約数ペア:

[(1, 20611888), (2, 10305944), (4, 5152972), (8, 2576486), (11, 1873808), (16, 1288243), (17, 1212464), (22, 936904), (34, 606232), (44, 468452), (68, 303116), (83, 248336), (88, 234226), (136, 151558), (166, 124168), (176, 117113), (187, 110224), (272, 75779), (332, 62084), (374, 55112), (664, 31042), (748, 27556), (913, 22576), (1328, 15521), (1411, 14608), (1496, 13778), (1826, 11288), (2822, 7304), (2992, 6889), (3652, 5644)]