20421036675

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6981551}}^1$

素因数の和:6981580

約数の個数: 36

約数和(自身を含む): 39389916384

約数和(自身を除く): 18968879709

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 6981551, 20944653, 34907755, 62833959, 90760163, 104723265, 174538775, 272280489, 314169795, 453800815, 523616325, 816841467, 1361402445, 1570848975, 2269004075, 4084207335, 6807012225, 20421036675]

約数ペア:

[(1, 20421036675), (3, 6807012225), (5, 4084207335), (9, 2269004075), (13, 1570848975), (15, 1361402445), (25, 816841467), (39, 523616325), (45, 453800815), (65, 314169795), (75, 272280489), (117, 174538775), (195, 104723265), (225, 90760163), (325, 62833959), (585, 34907755), (975, 20944653), (2925, 6981551)]