20209545

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6703}}^1$

素因数の和:6781

約数の個数: 24

約数和(自身を含む): 35558016

約数和(自身を除く): 15348471

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 6703, 20109, 33515, 60327, 100545, 301635, 449101, 1347303, 2245505, 4041909, 6736515, 20209545]

約数ペア:

[(1, 20209545), (3, 6736515), (5, 4041909), (9, 2245505), (15, 1347303), (45, 449101), (67, 301635), (201, 100545), (335, 60327), (603, 33515), (1005, 20109), (3015, 6703)]