20003711

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1013}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 25893504

約数和(自身を除く): 5889793

約数列:

[1, 7, 13, 31, 49, 91, 217, 403, 637, 1013, 1519, 2821, 7091, 13169, 19747, 31403, 49637, 92183, 219821, 408239, 645281, 1538747, 2857673, 20003711]

約数ペア:

[(1, 20003711), (7, 2857673), (13, 1538747), (31, 645281), (49, 408239), (91, 219821), (217, 92183), (403, 49637), (637, 31403), (1013, 19747), (1519, 13169), (2821, 7091)]