About the Number

2020123755

2020123754 ← → 2020123756

2進数表記:1111000011010001010010001101011

漢数字表記:二十億二千十二万三千七百五十五

素因数分解:

3 2 × 5 1 × 13 2 × 491 1 × 541 1

素因数の和:1069
約数の個数: 72
約数和(自身を含む): 3806361936
約数和(自身を除く): 1786238181

約数列:
[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 169, 195, 491, 507, 541, 585, 845, 1473, 1521, 1623, 2455, 2535, 2705, 4419, 4869, 6383, 7033, 7365, 7605, 8115, 19149, 21099, 22095, 24345, 31915, 35165, 57447, 63297, 82979, 91429, 95745, 105495, 248937, 265631, 274287, 287235, 316485, 414895, 457145, 746811, 796893, 822861, 1244685, 1328155, 1371435, 2390679, 3453203, 3734055, 3984465, 4114305, 10359609, 11953395, 17266015, 31078827, 44891639, 51798045, 134674917, 155394135, 224458195, 404024751, 673374585, 2020123755]

約数ペア:
[(1, 2020123755), (3, 673374585), (5, 404024751), (9, 224458195), (13, 155394135), (15, 134674917), (39, 51798045), (45, 44891639), (65, 31078827), (117, 17266015), (169, 11953395), (195, 10359609), (491, 4114305), (507, 3984465), (541, 3734055), (585, 3453203), (845, 2390679), (1473, 1371435), (1521, 1328155), (1623, 1244685), (2455, 822861), (2535, 796893), (2705, 746811), (4419, 457145), (4869, 414895), (6383, 316485), (7033, 287235), (7365, 274287), (7605, 265631), (8115, 248937), (19149, 105495), (21099, 95745), (22095, 91429), (24345, 82979), (31915, 63297), (35165, 57447)]

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