20454395

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2887}}^1$

素因数の和:3014

約数の個数: 16

約数和(自身を含む): 26685120

約数和(自身を除く): 6230725

約数列:

[1, 5, 13, 65, 109, 545, 1417, 2887, 7085, 14435, 37531, 187655, 314683, 1573415, 4090879, 20454395]

約数ペア:

[(1, 20454395), (5, 4090879), (13, 1573415), (65, 314683), (109, 187655), (545, 37531), (1417, 14435), (2887, 7085)]