About the Number

20989832

20989831 ← → 20989833

2進数表記:1010000000100011110001000

漢数字表記:二千九十八万九千八百三十二

素因数分解:

2 3 × 17 1 × 19 1 × 8123 1

素因数の和:8165
約数の個数: 32
約数和(自身を含む): 43869600
約数和(自身を除く): 22879768

約数列:
[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 8123, 16246, 32492, 64984, 138091, 154337, 276182, 308674, 552364, 617348, 1104728, 1234696, 2623729, 5247458, 10494916, 20989832]

約数ペア:
[(1, 20989832), (2, 10494916), (4, 5247458), (8, 2623729), (17, 1234696), (19, 1104728), (34, 617348), (38, 552364), (68, 308674), (76, 276182), (136, 154337), (152, 138091), (323, 64984), (646, 32492), (1292, 16246), (2584, 8123)]

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