2013020

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{401}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 4254768

約数和(自身を除く): 2241748

約数列:

[1, 2, 4, 5, 10, 20, 251, 401, 502, 802, 1004, 1255, 1604, 2005, 2510, 4010, 5020, 8020, 100651, 201302, 402604, 503255, 1006510, 2013020]

約数ペア:

[(1, 2013020), (2, 1006510), (4, 503255), (5, 402604), (10, 201302), (20, 100651), (251, 8020), (401, 5020), (502, 4010), (802, 2510), (1004, 2005), (1255, 1604)]