20574213

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{27107}}^1$

素因数の和:27144

約数の個数: 16

約数和(自身を含む): 31228416

約数和(自身を除く): 10654203

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 27107, 81321, 298177, 623461, 894531, 1870383, 6858071, 20574213]

約数ペア:

[(1, 20574213), (3, 6858071), (11, 1870383), (23, 894531), (33, 623461), (69, 298177), (253, 81321), (759, 27107)]