20664809672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{198700093}}^1$

素因数の和:198700112

約数の個数: 16

約数和(自身を含む): 41727019740

約数和(自身を除く): 21062210068

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 198700093, 397400186, 794800372, 1589600744, 2583101209, 5166202418, 10332404836, 20664809672]

約数ペア:

[(1, 20664809672), (2, 10332404836), (4, 5166202418), (8, 2583101209), (13, 1589600744), (26, 794800372), (52, 397400186), (104, 198700093)]