About the Number

220129021

220129020 ← → 220129022

2進数表記:1101000111101110011011111101

漢数字表記:二億二千十二万九千二十一

素因数分解:

7 2 × 23 1 × 37 1 × 5279 1

素因数の和:5353
約数の個数: 24
約数和(自身を含む): 274475520
約数和(自身を除く): 54346499

約数列:
[1, 7, 23, 37, 49, 161, 259, 851, 1127, 1813, 5279, 5957, 36953, 41699, 121417, 195323, 258671, 849919, 1367261, 4492429, 5949433, 9570827, 31447003, 220129021]

約数ペア:
[(1, 220129021), (7, 31447003), (23, 9570827), (37, 5949433), (49, 4492429), (161, 1367261), (259, 849919), (851, 258671), (1127, 195323), (1813, 121417), (5279, 41699), (5957, 36953)]

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