20205850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{57731}}^1$

素因数の和:57750

約数の個数: 24

約数和(自身を含む): 42952608

約数和(自身を除く): 22746758

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 57731, 115462, 288655, 404117, 577310, 808234, 1443275, 2020585, 2886550, 4041170, 10102925, 20205850]

約数ペア:

[(1, 20205850), (2, 10102925), (5, 4041170), (7, 2886550), (10, 2020585), (14, 1443275), (25, 808234), (35, 577310), (50, 404117), (70, 288655), (175, 115462), (350, 57731)]