About the Number

20080890

20080889 ← → 20080891

2進数表記:1001100100110100011111010

漢数字表記:二千八万八百九十

素因数分解:

2 1 × 3 2 × 5 1 × 347 1 × 643 1

素因数の和:1003
約数の個数: 48
約数和(自身を含む): 52442208
約数和(自身を除く): 32361318

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 347, 643, 694, 1041, 1286, 1735, 1929, 2082, 3123, 3215, 3470, 3858, 5205, 5787, 6246, 6430, 9645, 10410, 11574, 15615, 19290, 28935, 31230, 57870, 223121, 446242, 669363, 1115605, 1338726, 2008089, 2231210, 3346815, 4016178, 6693630, 10040445, 20080890]

約数ペア:
[(1, 20080890), (2, 10040445), (3, 6693630), (5, 4016178), (6, 3346815), (9, 2231210), (10, 2008089), (15, 1338726), (18, 1115605), (30, 669363), (45, 446242), (90, 223121), (347, 57870), (643, 31230), (694, 28935), (1041, 19290), (1286, 15615), (1735, 11574), (1929, 10410), (2082, 9645), (3123, 6430), (3215, 6246), (3470, 5787), (3858, 5205)]

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