About the Number

20729538

20729537 ← → 20729539

2進数表記:1001111000100111011000010

漢数字表記:二千七十二万九千五百三十八

素因数分解:

2 1 × 3 2 × 47 1 × 107 1 × 229 1

素因数の和:391
約数の個数: 48
約数和(自身を含む): 46500480
約数和(自身を除く): 25770942

約数列:
[1, 2, 3, 6, 9, 18, 47, 94, 107, 141, 214, 229, 282, 321, 423, 458, 642, 687, 846, 963, 1374, 1926, 2061, 4122, 5029, 10058, 10763, 15087, 21526, 24503, 30174, 32289, 45261, 49006, 64578, 73509, 90522, 96867, 147018, 193734, 220527, 441054, 1151641, 2303282, 3454923, 6909846, 10364769, 20729538]

約数ペア:
[(1, 20729538), (2, 10364769), (3, 6909846), (6, 3454923), (9, 2303282), (18, 1151641), (47, 441054), (94, 220527), (107, 193734), (141, 147018), (214, 96867), (229, 90522), (282, 73509), (321, 64578), (423, 49006), (458, 45261), (642, 32289), (687, 30174), (846, 24503), (963, 21526), (1374, 15087), (1926, 10763), (2061, 10058), (4122, 5029)]

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