20888906290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{42630421}}^1$

素因数の和:42630442

約数の個数: 24

約数和(自身を含む): 43738812972

約数和(自身を除く): 22849906682

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 42630421, 85260842, 213152105, 298412947, 426304210, 596825894, 1492064735, 2088890629, 2984129470, 4177781258, 10444453145, 20888906290]

約数ペア:

[(1, 20888906290), (2, 10444453145), (5, 4177781258), (7, 2984129470), (10, 2088890629), (14, 1492064735), (35, 596825894), (49, 426304210), (70, 298412947), (98, 213152105), (245, 85260842), (490, 42630421)]