20309151

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 27578880

約数和(自身を除く): 7269729

約数列:

[1, 3, 113, 139, 339, 417, 431, 1293, 15707, 47121, 48703, 59909, 146109, 179727, 6769717, 20309151]

約数ペア:

[(1, 20309151), (3, 6769717), (113, 179727), (139, 146109), (339, 59909), (417, 48703), (431, 47121), (1293, 15707)]