20147908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 41158656

約数和(自身を除く): 21010748

約数列:

[1, 2, 4, 11, 22, 23, 43, 44, 46, 86, 92, 172, 253, 463, 473, 506, 926, 946, 989, 1012, 1852, 1892, 1978, 3956, 5093, 10186, 10649, 10879, 19909, 20372, 21298, 21758, 39818, 42596, 43516, 79636, 117139, 218999, 234278, 437998, 457907, 468556, 875996, 915814, 1831628, 5036977, 10073954, 20147908]

約数ペア:

[(1, 20147908), (2, 10073954), (4, 5036977), (11, 1831628), (22, 915814), (23, 875996), (43, 468556), (44, 457907), (46, 437998), (86, 234278), (92, 218999), (172, 117139), (253, 79636), (463, 43516), (473, 42596), (506, 39818), (926, 21758), (946, 21298), (989, 20372), (1012, 19909), (1852, 10879), (1892, 10649), (1978, 10186), (3956, 5093)]