20218980103

素因数分解:

$7^2\times {\mathrm{79}}^1\times {\mathrm{241}}^1\times {\mathrm{21673}}^1$

素因数の和:22007

約数の個数: 24

約数和(自身を含む): 23917692480

約数和(自身を除く): 3698712377

約数列:

[1, 7, 49, 79, 241, 553, 1687, 3871, 11809, 19039, 21673, 133273, 151711, 932911, 1061977, 1712167, 5223193, 11985169, 36562351, 83896183, 255936457, 412632247, 2888425729, 20218980103]

約数ペア:

[(1, 20218980103), (7, 2888425729), (49, 412632247), (79, 255936457), (241, 83896183), (553, 36562351), (1687, 11985169), (3871, 5223193), (11809, 1712167), (19039, 1061977), (21673, 932911), (133273, 151711)]