20283669

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 17041131

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 59, 63, 107, 119, 153, 177, 189, 321, 357, 413, 459, 531, 749, 963, 1003, 1071, 1239, 1593, 1819, 2247, 2889, 3009, 3213, 3717, 5457, 6313, 6741, 7021, 9027, 11151, 12733, 16371, 18939, 20223, 21063, 27081, 38199, 44191, 49113, 56817, 63189, 107321, 114597, 132573, 170451, 189567, 321963, 343791, 397719, 751247, 965889, 1193157, 2253741, 2897667, 6761223, 20283669]

約数ペア:

[(1, 20283669), (3, 6761223), (7, 2897667), (9, 2253741), (17, 1193157), (21, 965889), (27, 751247), (51, 397719), (59, 343791), (63, 321963), (107, 189567), (119, 170451), (153, 132573), (177, 114597), (189, 107321), (321, 63189), (357, 56817), (413, 49113), (459, 44191), (531, 38199), (749, 27081), (963, 21063), (1003, 20223), (1071, 18939), (1239, 16371), (1593, 12733), (1819, 11151), (2247, 9027), (2889, 7021), (3009, 6741), (3213, 6313), (3717, 5457)]