20030157

素因数分解:

$3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{911}}^1$

素因数の和:1273

約数の個数: 24

約数和(自身を含む): 33196800

約数和(自身を除く): 13166643

約数列:

[1, 3, 7, 9, 21, 63, 349, 911, 1047, 2443, 2733, 3141, 6377, 7329, 8199, 19131, 21987, 57393, 317939, 953817, 2225573, 2861451, 6676719, 20030157]

約数ペア:

[(1, 20030157), (3, 6676719), (7, 2861451), (9, 2225573), (21, 953817), (63, 317939), (349, 57393), (911, 21987), (1047, 19131), (2443, 8199), (2733, 7329), (3141, 6377)]