20607621

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9397}}^1$

素因数の和:9460

約数の個数: 16

約数和(自身を含む): 29772864

約数和(自身を除く): 9165243

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9397, 28191, 159749, 404071, 479247, 1212213, 6869207, 20607621]

約数ペア:

[(1, 20607621), (3, 6869207), (17, 1212213), (43, 479247), (51, 404071), (129, 159749), (731, 28191), (2193, 9397)]