20708583

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{109}}^2$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 32231808

約数和(自身を除く): 11523225

約数列:

[1, 3, 7, 21, 83, 109, 249, 327, 581, 763, 1743, 2289, 9047, 11881, 27141, 35643, 63329, 83167, 189987, 249501, 986123, 2958369, 6902861, 20708583]

約数ペア:

[(1, 20708583), (3, 6902861), (7, 2958369), (21, 986123), (83, 249501), (109, 189987), (249, 83167), (327, 63329), (581, 35643), (763, 27141), (1743, 11881), (2289, 9047)]