20265039

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{39503}}^1$

素因数の和:39531

約数の個数: 16

約数和(自身を含む): 31603200

約数和(自身を除く): 11338161

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 39503, 118509, 355527, 750557, 1066581, 2251671, 6755013, 20265039]

約数ペア:

[(1, 20265039), (3, 6755013), (9, 2251671), (19, 1066581), (27, 750557), (57, 355527), (171, 118509), (513, 39503)]