20890398

素因数分解:

$2^1\times 3^1\times {\mathrm{1069}}^1\times {\mathrm{3257}}^1$

素因数の和:4331

約数の個数: 16

約数和(自身を含む): 41832720

約数和(自身を除く): 20942322

約数列:

[1, 2, 3, 6, 1069, 2138, 3207, 3257, 6414, 6514, 9771, 19542, 3481733, 6963466, 10445199, 20890398]

約数ペア:

[(1, 20890398), (2, 10445199), (3, 6963466), (6, 3481733), (1069, 19542), (2138, 9771), (3207, 6514), (3257, 6414)]