About the Number

20482990

20482989 ← → 20482991

2進数表記:1001110001000101110101110

漢数字表記:二千四十八万二千九百九十

素因数分解:

2 1 × 5 1 × 11 1 × 29 1 × 6421 1

素因数の和:6468
約数の個数: 32
約数和(自身を含む): 41614560
約数和(自身を除く): 21131570

約数列:
[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 6421, 12842, 32105, 64210, 70631, 141262, 186209, 353155, 372418, 706310, 931045, 1862090, 2048299, 4096598, 10241495, 20482990]

約数ペア:
[(1, 20482990), (2, 10241495), (5, 4096598), (10, 2048299), (11, 1862090), (22, 931045), (29, 706310), (55, 372418), (58, 353155), (110, 186209), (145, 141262), (290, 70631), (319, 64210), (638, 32105), (1595, 12842), (3190, 6421)]

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