20728842

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{150209}}^1$

素因数の和:150237

約数の個数: 16

約数和(自身を含む): 43260480

約数和(自身を除く): 22531638

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 150209, 300418, 450627, 901254, 3454807, 6909614, 10364421, 20728842]

約数ペア:

[(1, 20728842), (2, 10364421), (3, 6909614), (6, 3454807), (23, 901254), (46, 450627), (69, 300418), (138, 150209)]