20450878

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{76883}}^1$

素因数の和:76911

約数の個数: 16

約数和(自身を含む): 36904320

約数和(自身を除く): 16453442

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 76883, 153766, 538181, 1076362, 1460777, 2921554, 10225439, 20450878]

約数ペア:

[(1, 20450878), (2, 10225439), (7, 2921554), (14, 1460777), (19, 1076362), (38, 538181), (133, 153766), (266, 76883)]