About the Number

20880630

20880629 ← → 20880631

2進数表記:1001111101001110011110110

漢数字表記:二千八十八万六百三十

素因数分解:

2 1 × 3 2 × 5 1 × 232007 1

素因数の和:232020
約数の個数: 24
約数和(自身を含む): 54289872
約数和(自身を除く): 33409242

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 232007, 464014, 696021, 1160035, 1392042, 2088063, 2320070, 3480105, 4176126, 6960210, 10440315, 20880630]

約数ペア:
[(1, 20880630), (2, 10440315), (3, 6960210), (5, 4176126), (6, 3480105), (9, 2320070), (10, 2088063), (15, 1392042), (18, 1160035), (30, 696021), (45, 464014), (90, 232007)]

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