20730153

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{3803}}^1$

素因数の和:3908

約数の個数: 16

約数和(自身を含む): 29214720

約数和(自身を除く): 8484567

約数列:

[1, 3, 23, 69, 79, 237, 1817, 3803, 5451, 11409, 87469, 262407, 300437, 901311, 6910051, 20730153]

約数ペア:

[(1, 20730153), (3, 6910051), (23, 901311), (69, 300437), (79, 262407), (237, 87469), (1817, 11409), (3803, 5451)]