20736303

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{601}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 33288192

約数和(自身を除く): 12551889

約数列:

[1, 3, 7, 21, 31, 53, 93, 159, 217, 371, 601, 651, 1113, 1643, 1803, 4207, 4929, 11501, 12621, 18631, 31853, 34503, 55893, 95559, 130417, 222971, 391251, 668913, 987443, 2962329, 6912101, 20736303]

約数ペア:

[(1, 20736303), (3, 6912101), (7, 2962329), (21, 987443), (31, 668913), (53, 391251), (93, 222971), (159, 130417), (217, 95559), (371, 55893), (601, 34503), (651, 31853), (1113, 18631), (1643, 12621), (1803, 11501), (4207, 4929)]