2020009075

素因数分解:

$5^2\times 7^2\times {\mathrm{1648987}}^1$

素因数の和:1649011

約数の個数: 18

約数和(自身を含む): 2913761796

約数和(自身を除く): 893752721

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 1648987, 8244935, 11542909, 41224675, 57714545, 80800363, 288572725, 404001815, 2020009075]

約数ペア:

[(1, 2020009075), (5, 404001815), (7, 288572725), (25, 80800363), (35, 57714545), (49, 41224675), (175, 11542909), (245, 8244935), (1225, 1648987)]