20537812

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{919}}^1$

素因数の和:1111

約数の個数: 24

約数和(自身を含む): 37197440

約数和(自身を除く): 16659628

約数列:

[1, 2, 4, 37, 74, 148, 151, 302, 604, 919, 1838, 3676, 5587, 11174, 22348, 34003, 68006, 136012, 138769, 277538, 555076, 5134453, 10268906, 20537812]

約数ペア:

[(1, 20537812), (2, 10268906), (4, 5134453), (37, 555076), (74, 277538), (148, 138769), (151, 136012), (302, 68006), (604, 34003), (919, 22348), (1838, 11174), (3676, 5587)]