About the Number

201220305

201220304 ← → 201220306

2進数表記:1011111111100110000011010001

漢数字表記:二億百二十二万三百五

素因数分解:

3 1 × 5 1 × 11 1 × 13 1 × 93809 1

素因数の和:93841
約数の個数: 32
約数和(自身を含む): 378241920
約数和(自身を除く): 177021615

約数列:
[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 93809, 281427, 469045, 1031899, 1219517, 1407135, 3095697, 3658551, 5159495, 6097585, 13414687, 15478485, 18292755, 40244061, 67073435, 201220305]

約数ペア:
[(1, 201220305), (3, 67073435), (5, 40244061), (11, 18292755), (13, 15478485), (15, 13414687), (33, 6097585), (39, 5159495), (55, 3658551), (65, 3095697), (143, 1407135), (165, 1219517), (195, 1031899), (429, 469045), (715, 281427), (2145, 93809)]

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