20472063

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 31299840

約数和(自身を除く): 10827777

約数列:

[1, 3, 17, 19, 37, 51, 57, 111, 323, 571, 629, 703, 969, 1713, 1887, 2109, 9707, 10849, 11951, 21127, 29121, 32547, 35853, 63381, 184433, 359159, 401413, 553299, 1077477, 1204239, 6824021, 20472063]

約数ペア:

[(1, 20472063), (3, 6824021), (17, 1204239), (19, 1077477), (37, 553299), (51, 401413), (57, 359159), (111, 184433), (323, 63381), (571, 35853), (629, 32547), (703, 29121), (969, 21127), (1713, 11951), (1887, 10849), (2109, 9707)]