20044017

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:124

約数の個数: 80

約数和(自身を含む): 37635840

約数和(自身を除く): 17591823

約数列:

[1, 3, 7, 9, 21, 23, 27, 29, 53, 63, 69, 81, 87, 159, 161, 189, 203, 207, 261, 371, 477, 483, 567, 609, 621, 667, 783, 1113, 1219, 1431, 1449, 1537, 1827, 1863, 2001, 2349, 3339, 3657, 4293, 4347, 4611, 4669, 5481, 6003, 8533, 10017, 10759, 10971, 13041, 13833, 14007, 16443, 18009, 25599, 30051, 32277, 32913, 35351, 41499, 42021, 54027, 76797, 96831, 98739, 106053, 124497, 126063, 230391, 247457, 290493, 318159, 378189, 691173, 742371, 871479, 954477, 2227113, 2863431, 6681339, 20044017]

約数ペア:

[(1, 20044017), (3, 6681339), (7, 2863431), (9, 2227113), (21, 954477), (23, 871479), (27, 742371), (29, 691173), (53, 378189), (63, 318159), (69, 290493), (81, 247457), (87, 230391), (159, 126063), (161, 124497), (189, 106053), (203, 98739), (207, 96831), (261, 76797), (371, 54027), (477, 42021), (483, 41499), (567, 35351), (609, 32913), (621, 32277), (667, 30051), (783, 25599), (1113, 18009), (1219, 16443), (1431, 14007), (1449, 13833), (1537, 13041), (1827, 10971), (1863, 10759), (2001, 10017), (2349, 8533), (3339, 6003), (3657, 5481), (4293, 4669), (4347, 4611)]