About the Number

20091505924

20091505923 ← → 20091505925

2進数表記:10010101101100011000000110100000100

漢数字表記:二百億九千百五十万五千九百二十四

素因数分解:

2 2 × 7 1 × 491 1 × 1461413 1

素因数の和:1461915
約数の個数: 24
約数和(自身を含む): 40264878528
約数和(自身を除く): 20173372604

約数列:
[1, 2, 4, 7, 14, 28, 491, 982, 1964, 3437, 6874, 13748, 1461413, 2922826, 5845652, 10229891, 20459782, 40919564, 717553783, 1435107566, 2870215132, 5022876481, 10045752962, 20091505924]

約数ペア:
[(1, 20091505924), (2, 10045752962), (4, 5022876481), (7, 2870215132), (14, 1435107566), (28, 717553783), (491, 40919564), (982, 20459782), (1964, 10229891), (3437, 5845652), (6874, 2922826), (13748, 1461413)]

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