About the Number

10200020

10200019 ← → 10200021

2進数表記:100110111010001111010100

漢数字表記:千二十万二十

素因数分解:

2 2 × 5 1 × 223 1 × 2287 1

素因数の和:2519
約数の個数: 24
約数和(自身を含む): 21525504
約数和(自身を除く): 11325484

約数列:
[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 2287, 4460, 4574, 9148, 11435, 22870, 45740, 510001, 1020002, 2040004, 2550005, 5100010, 10200020]

約数ペア:
[(1, 10200020), (2, 5100010), (4, 2550005), (5, 2040004), (10, 1020002), (20, 510001), (223, 45740), (446, 22870), (892, 11435), (1115, 9148), (2230, 4574), (2287, 4460)]

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