About the Number

20409520728

20409520727 ← → 20409520729

2進数表記:10011000000100000001001001001011000

漢数字表記:二百四億九百五十二万七百二十八

素因数分解:

2 3 × 3 1 × 241 1 × 1213 1 × 2909 1

素因数の和:4372
約数の個数: 64
約数和(自身を含む): 51295384800
約数和(自身を除く): 30885864072

約数列:
[1, 2, 3, 4, 6, 8, 12, 24, 241, 482, 723, 964, 1213, 1446, 1928, 2426, 2892, 2909, 3639, 4852, 5784, 5818, 7278, 8727, 9704, 11636, 14556, 17454, 23272, 29112, 34908, 69816, 292333, 584666, 701069, 876999, 1169332, 1402138, 1753998, 2103207, 2338664, 2804276, 3507996, 3528617, 4206414, 5608552, 7015992, 7057234, 8412828, 10585851, 14114468, 16825656, 21171702, 28228936, 42343404, 84686808, 850396697, 1700793394, 2551190091, 3401586788, 5102380182, 6803173576, 10204760364, 20409520728]

約数ペア:
[(1, 20409520728), (2, 10204760364), (3, 6803173576), (4, 5102380182), (6, 3401586788), (8, 2551190091), (12, 1700793394), (24, 850396697), (241, 84686808), (482, 42343404), (723, 28228936), (964, 21171702), (1213, 16825656), (1446, 14114468), (1928, 10585851), (2426, 8412828), (2892, 7057234), (2909, 7015992), (3639, 5608552), (4852, 4206414), (5784, 3528617), (5818, 3507996), (7278, 2804276), (8727, 2338664), (9704, 2103207), (11636, 1753998), (14556, 1402138), (17454, 1169332), (23272, 876999), (29112, 701069), (34908, 584666), (69816, 292333)]

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