About the Number

202020820

202020819 ← → 202020821

2進数表記:1100000010101001011111010100

漢数字表記:二億二百二万八百二十

素因数分解:

2 2 × 5 1 × 193 1 × 199 1 × 263 1

素因数の和:664
約数の個数: 48
約数和(自身を含む): 430214400
約数和(自身を除く): 228193580

約数列:
[1, 2, 4, 5, 10, 20, 193, 199, 263, 386, 398, 526, 772, 796, 965, 995, 1052, 1315, 1930, 1990, 2630, 3860, 3980, 5260, 38407, 50759, 52337, 76814, 101518, 104674, 153628, 192035, 203036, 209348, 253795, 261685, 384070, 507590, 523370, 768140, 1015180, 1046740, 10101041, 20202082, 40404164, 50505205, 101010410, 202020820]

約数ペア:
[(1, 202020820), (2, 101010410), (4, 50505205), (5, 40404164), (10, 20202082), (20, 10101041), (193, 1046740), (199, 1015180), (263, 768140), (386, 523370), (398, 507590), (526, 384070), (772, 261685), (796, 253795), (965, 209348), (995, 203036), (1052, 192035), (1315, 153628), (1930, 104674), (1990, 101518), (2630, 76814), (3860, 52337), (3980, 50759), (5260, 38407)]

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