20617884

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81817}}^1$

素因数の和:81834

約数の個数: 36

約数和(自身を含む): 59563504

約数和(自身を除く): 38945620

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81817, 163634, 245451, 327268, 490902, 572719, 736353, 981804, 1145438, 1472706, 1718157, 2290876, 2945412, 3436314, 5154471, 6872628, 10308942, 20617884]

約数ペア:

[(1, 20617884), (2, 10308942), (3, 6872628), (4, 5154471), (6, 3436314), (7, 2945412), (9, 2290876), (12, 1718157), (14, 1472706), (18, 1145438), (21, 981804), (28, 736353), (36, 572719), (42, 490902), (63, 327268), (84, 245451), (126, 163634), (252, 81817)]