About the Number

2020121055

2020121054 ← → 2020121056

2進数表記:1111000011010001001100111011111

漢数字表記:二十億二千十二万千五十五

素因数分解:

3 2 × 5 1 × 127 1 × 139 1 × 2543 1

素因数の和:2820
約数の個数: 48
約数和(自身を含む): 3555901440
約数和(自身を除く): 1535780385

約数列:
[1, 3, 5, 9, 15, 45, 127, 139, 381, 417, 635, 695, 1143, 1251, 1905, 2085, 2543, 5715, 6255, 7629, 12715, 17653, 22887, 38145, 52959, 88265, 114435, 158877, 264795, 322961, 353477, 794385, 968883, 1060431, 1614805, 1767385, 2906649, 3181293, 4844415, 5302155, 14533245, 15906465, 44891579, 134674737, 224457895, 404024211, 673373685, 2020121055]

約数ペア:
[(1, 2020121055), (3, 673373685), (5, 404024211), (9, 224457895), (15, 134674737), (45, 44891579), (127, 15906465), (139, 14533245), (381, 5302155), (417, 4844415), (635, 3181293), (695, 2906649), (1143, 1767385), (1251, 1614805), (1905, 1060431), (2085, 968883), (2543, 794385), (5715, 353477), (6255, 322961), (7629, 264795), (12715, 158877), (17653, 114435), (22887, 88265), (38145, 52959)]

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