20383363

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2909}}^1$

素因数の和:2947

約数の個数: 24

約数和(自身を含む): 27866160

約数和(自身を除く): 7482797

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 2909, 7007, 20363, 31999, 37817, 142541, 223993, 264719, 415987, 1567951, 1853033, 2911909, 20383363]

約数ペア:

[(1, 20383363), (7, 2911909), (11, 1853033), (13, 1567951), (49, 415987), (77, 264719), (91, 223993), (143, 142541), (539, 37817), (637, 31999), (1001, 20363), (2909, 7007)]