20180039

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:179

約数の個数: 24

約数和(自身を含む): 24022656

約数和(自身を除く): 3842617

約数列:

[1, 11, 23, 31, 83, 253, 341, 713, 913, 961, 1909, 2573, 7843, 10571, 20999, 22103, 28303, 59179, 79763, 243133, 650969, 877393, 1834549, 20180039]

約数ペア:

[(1, 20180039), (11, 1834549), (23, 877393), (31, 650969), (83, 243133), (253, 79763), (341, 59179), (713, 28303), (913, 22103), (961, 20999), (1909, 10571), (2573, 7843)]