About the Number

201992021

201992020 ← → 201992022

2進数表記:1100000010100010011101010101

漢数字表記:二億百九十九万二千二十一

素因数分解:

7 1 × 11 1 × 19 1 × 101 1 × 1367 1

素因数の和:1505
約数の個数: 32
約数和(自身を含む): 267909120
約数和(自身を除く): 65917099

約数列:
[1, 7, 11, 19, 77, 101, 133, 209, 707, 1111, 1367, 1463, 1919, 7777, 9569, 13433, 15037, 21109, 25973, 105259, 138067, 147763, 181811, 285703, 966469, 1518737, 1999921, 2623273, 10631159, 18362911, 28856003, 201992021]

約数ペア:
[(1, 201992021), (7, 28856003), (11, 18362911), (19, 10631159), (77, 2623273), (101, 1999921), (133, 1518737), (209, 966469), (707, 285703), (1111, 181811), (1367, 147763), (1463, 138067), (1919, 105259), (7777, 25973), (9569, 21109), (13433, 15037)]

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