20502244

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10313}}^1$

素因数の和:10395

約数の個数: 24

約数和(自身を含む): 41586048

約数和(自身を除く): 21083804

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 10313, 20626, 41252, 72191, 144382, 288764, 732223, 1464446, 2928892, 5125561, 10251122, 20502244]

約数ペア:

[(1, 20502244), (2, 10251122), (4, 5125561), (7, 2928892), (14, 1464446), (28, 732223), (71, 288764), (142, 144382), (284, 72191), (497, 41252), (994, 20626), (1988, 10313)]