2004020

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1033}}^1$

素因数の和:1139

約数の個数: 24

約数和(自身を含む): 4255944

約数和(自身を除く): 2251924

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1033, 1940, 2066, 4132, 5165, 10330, 20660, 100201, 200402, 400804, 501005, 1002010, 2004020]

約数ペア:

[(1, 2004020), (2, 1002010), (4, 501005), (5, 400804), (10, 200402), (20, 100201), (97, 20660), (194, 10330), (388, 5165), (485, 4132), (970, 2066), (1033, 1940)]