16020495

素因数分解:

$3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1789}}^1$

素因数の和:1999

約数の個数: 24

約数和(自身を含む): 27924000

約数和(自身を除く): 11903505

約数列:

[1, 3, 5, 9, 15, 45, 199, 597, 995, 1789, 1791, 2985, 5367, 8945, 8955, 16101, 26835, 80505, 356011, 1068033, 1780055, 3204099, 5340165, 16020495]

約数ペア:

[(1, 16020495), (3, 5340165), (5, 3204099), (9, 1780055), (15, 1068033), (45, 356011), (199, 80505), (597, 26835), (995, 16101), (1789, 8955), (1791, 8945), (2985, 5367)]