About the Number

2013640981

2013640980 ← → 2013640982

2進数表記:1111000000001011011100100010101

漢数字表記:二十億千三百六十四万九百八十一

素因数分解:

11 2 × 67 1 × 149 1 × 1667 1

素因数の和:1905
約数の個数: 24
約数和(自身を含む): 2262808800
約数和(自身を除く): 249167819

約数列:
[1, 11, 67, 121, 149, 737, 1639, 1667, 8107, 9983, 18029, 18337, 109813, 111689, 201707, 248383, 1207943, 1228579, 2732213, 13514369, 16641661, 30054343, 183058271, 2013640981]

約数ペア:
[(1, 2013640981), (11, 183058271), (67, 30054343), (121, 16641661), (149, 13514369), (737, 2732213), (1639, 1228579), (1667, 1207943), (8107, 248383), (9983, 201707), (18029, 111689), (18337, 109813)]

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