About the Number

20123781327

20123781326 ← → 20123781328

2進数表記:10010101111011110001000100011001111

漢数字表記:二百一億二千三百七十八万千三百二十七

素因数分解:

3 2 × 13 1 × 2207 1 × 77933 1

素因数の和:80159
約数の個数: 24
約数和(自身を含む): 31318245504
約数和(自身を除く): 11194464177

約数列:
[1, 3, 9, 13, 39, 117, 2207, 6621, 19863, 28691, 77933, 86073, 233799, 258219, 701397, 1013129, 3039387, 9118161, 171998131, 515994393, 1547983179, 2235975703, 6707927109, 20123781327]

約数ペア:
[(1, 20123781327), (3, 6707927109), (9, 2235975703), (13, 1547983179), (39, 515994393), (117, 171998131), (2207, 9118161), (6621, 3039387), (19863, 1013129), (28691, 701397), (77933, 258219), (86073, 233799)]

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