20736915

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{60107}}^1$

素因数の和:60138

約数の個数: 16

約数和(自身を含む): 34622208

約数和(自身を除く): 13885293

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 60107, 180321, 300535, 901605, 1382461, 4147383, 6912305, 20736915]

約数ペア:

[(1, 20736915), (3, 6912305), (5, 4147383), (15, 1382461), (23, 901605), (69, 300535), (115, 180321), (345, 60107)]