20761805260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{6949}}^1\times {\mathrm{21341}}^1$

素因数の和:28306

約数の個数: 48

約数和(自身を含む): 49837838400

約数和(自身を除く): 29076033140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 6949, 13898, 21341, 27796, 34745, 42682, 48643, 69490, 85364, 97286, 106705, 138980, 149387, 194572, 213410, 243215, 298774, 426820, 486430, 597548, 746935, 972860, 1493870, 2987740, 148298609, 296597218, 593194436, 741493045, 1038090263, 1482986090, 2076180526, 2965972180, 4152361052, 5190451315, 10380902630, 20761805260]

約数ペア:

[(1, 20761805260), (2, 10380902630), (4, 5190451315), (5, 4152361052), (7, 2965972180), (10, 2076180526), (14, 1482986090), (20, 1038090263), (28, 741493045), (35, 593194436), (70, 296597218), (140, 148298609), (6949, 2987740), (13898, 1493870), (21341, 972860), (27796, 746935), (34745, 597548), (42682, 486430), (48643, 426820), (69490, 298774), (85364, 243215), (97286, 213410), (106705, 194572), (138980, 149387)]