20696488

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{89209}}^1$

素因数の和:89244

約数の個数: 16

約数和(自身を含む): 40144500

約数和(自身を除く): 19448012

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 89209, 178418, 356836, 713672, 2587061, 5174122, 10348244, 20696488]

約数ペア:

[(1, 20696488), (2, 10348244), (4, 5174122), (8, 2587061), (29, 713672), (58, 356836), (116, 178418), (232, 89209)]