20160507980

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{3587279}}^1$

素因数の和:3587569

約数の個数: 24

約数和(自身を含む): 42487744320

約数和(自身を除く): 22327236340

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 3587279, 7174558, 14349116, 17936395, 35872790, 71745580, 1008025399, 2016050798, 4032101596, 5040126995, 10080253990, 20160507980]

約数ペア:

[(1, 20160507980), (2, 10080253990), (4, 5040126995), (5, 4032101596), (10, 2016050798), (20, 1008025399), (281, 71745580), (562, 35872790), (1124, 17936395), (1405, 14349116), (2810, 7174558), (5620, 3587279)]