About the Number

20118380

20118379 ← → 20118381

2進数表記:1001100101111101101101100

漢数字表記:二千十一万八千三百八十

素因数分解:

2 2 × 5 1 × 31 1 × 37 1 × 877 1

素因数の和:954
約数の個数: 48
約数和(自身を含む): 44841216
約数和(自身を除く): 24722836

約数列:
[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 877, 1147, 1754, 2294, 3508, 4385, 4588, 5735, 8770, 11470, 17540, 22940, 27187, 32449, 54374, 64898, 108748, 129796, 135935, 162245, 271870, 324490, 543740, 648980, 1005919, 2011838, 4023676, 5029595, 10059190, 20118380]

約数ペア:
[(1, 20118380), (2, 10059190), (4, 5029595), (5, 4023676), (10, 2011838), (20, 1005919), (31, 648980), (37, 543740), (62, 324490), (74, 271870), (124, 162245), (148, 135935), (155, 129796), (185, 108748), (310, 64898), (370, 54374), (620, 32449), (740, 27187), (877, 22940), (1147, 17540), (1754, 11470), (2294, 8770), (3508, 5735), (4385, 4588)]

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