About the Number

2013128521

2013128520 ← → 2013128522

2進数表記:1110111111111011110011101001001

漢数字表記:二十億千三百十二万八千五百二十一

素因数分解:

23 1 × 53 1 × 109 2 × 139 1

素因数の和:433
約数の個数: 24
約数和(自身を含む): 2175647040
約数和(自身を除く): 162518519

約数列:
[1, 23, 53, 109, 139, 1219, 2507, 3197, 5777, 7367, 11881, 15151, 132871, 169441, 273263, 348473, 629693, 803003, 1651459, 14482939, 18469069, 37983557, 87527327, 2013128521]

約数ペア:
[(1, 2013128521), (23, 87527327), (53, 37983557), (109, 18469069), (139, 14482939), (1219, 1651459), (2507, 803003), (3197, 629693), (5777, 348473), (7367, 273263), (11881, 169441), (15151, 132871)]

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