About the Number

221006020

221006019 ← → 221006021

2進数表記:1101001011000100100011000100

漢数字表記:二億二千百万六千二十

素因数分解:

2 2 × 5 1 × 283 1 × 39047 1

素因数の和:39339
約数の個数: 24
約数和(自身を含む): 465764544
約数和(自身を除く): 244758524

約数列:
[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 5660, 39047, 78094, 156188, 195235, 390470, 780940, 11050301, 22100602, 44201204, 55251505, 110503010, 221006020]

約数ペア:
[(1, 221006020), (2, 110503010), (4, 55251505), (5, 44201204), (10, 22100602), (20, 11050301), (283, 780940), (566, 390470), (1132, 195235), (1415, 156188), (2830, 78094), (5660, 39047)]

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