20318711

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{409}}^1$

素因数の和:614

約数の個数: 16

約数和(自身を含む): 23930880

約数和(自身を除く): 3612169

約数列:

[1, 7, 47, 151, 329, 409, 1057, 2863, 7097, 19223, 49679, 61759, 134561, 432313, 2902673, 20318711]

約数ペア:

[(1, 20318711), (7, 2902673), (47, 432313), (151, 134561), (329, 61759), (409, 49679), (1057, 19223), (2863, 7097)]