20728106

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{64373}}^1$

素因数の和:64405

約数の個数: 16

約数和(自身を含む): 37079424

約数和(自身を除く): 16351318

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 64373, 128746, 450611, 901222, 1480579, 2961158, 10364053, 20728106]

約数ペア:

[(1, 20728106), (2, 10364053), (7, 2961158), (14, 1480579), (23, 901222), (46, 450611), (161, 128746), (322, 64373)]