About the Number

20992760

20992759 ← → 20992761

2進数表記:1010000000101001011111000

漢数字表記:二千九十九万二千七百六十

素因数分解:

2 3 × 5 1 × 269 1 × 1951 1

素因数の和:2231
約数の個数: 32
約数和(自身を含む): 47433600
約数和(自身を除く): 26440840

約数列:
[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 1951, 2152, 2690, 3902, 5380, 7804, 9755, 10760, 15608, 19510, 39020, 78040, 524819, 1049638, 2099276, 2624095, 4198552, 5248190, 10496380, 20992760]

約数ペア:
[(1, 20992760), (2, 10496380), (4, 5248190), (5, 4198552), (8, 2624095), (10, 2099276), (20, 1049638), (40, 524819), (269, 78040), (538, 39020), (1076, 19510), (1345, 15608), (1951, 10760), (2152, 9755), (2690, 7804), (3902, 5380)]

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