20711009

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{337}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 23427456

約数和(自身を除く): 2716447

約数列:

[1, 11, 37, 151, 337, 407, 1661, 3707, 5587, 12469, 50887, 61457, 137159, 559757, 1882819, 20711009]

約数ペア:

[(1, 20711009), (11, 1882819), (37, 559757), (151, 137159), (337, 61457), (407, 50887), (1661, 12469), (3707, 5587)]