205120912

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{754121}}^1$

素因数の和:754146

約数の個数: 20

約数和(自身を含む): 420800076

約数和(自身を除く): 215679164

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 754121, 1508242, 3016484, 6032968, 12065936, 12820057, 25640114, 51280228, 102560456, 205120912]

約数ペア:

[(1, 205120912), (2, 102560456), (4, 51280228), (8, 25640114), (16, 12820057), (17, 12065936), (34, 6032968), (68, 3016484), (136, 1508242), (272, 754121)]