20238988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2857}}^1$

素因数の和:2902

約数の個数: 48

約数和(自身を含む): 46093824

約数和(自身を除く): 25854836

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 2857, 3542, 5714, 7084, 11428, 19999, 31427, 39998, 62854, 65711, 79996, 125708, 131422, 219989, 262844, 439978, 459977, 722821, 879956, 919954, 1445642, 1839908, 2891284, 5059747, 10119494, 20238988]

約数ペア:

[(1, 20238988), (2, 10119494), (4, 5059747), (7, 2891284), (11, 1839908), (14, 1445642), (22, 919954), (23, 879956), (28, 722821), (44, 459977), (46, 439978), (77, 262844), (92, 219989), (154, 131422), (161, 125708), (253, 79996), (308, 65711), (322, 62854), (506, 39998), (644, 31427), (1012, 19999), (1771, 11428), (2857, 7084), (3542, 5714)]