20485755

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19793}}^1$

素因数の和:19827

約数の個数: 24

約数和(自身を含む): 37054368

約数和(自身を除く): 16568613

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 19793, 59379, 98965, 178137, 296895, 455239, 890685, 1365717, 2276195, 4097151, 6828585, 20485755]

約数ペア:

[(1, 20485755), (3, 6828585), (5, 4097151), (9, 2276195), (15, 1365717), (23, 890685), (45, 455239), (69, 296895), (115, 178137), (207, 98965), (345, 59379), (1035, 19793)]