About the Number

20120139

20120138 ← → 20120140

2進数表記:1001100110000001001001011

漢数字表記:二千十二万百三十九

素因数分解:

3 2 × 13 1 × 383 1 × 449 1

素因数の和:851
約数の個数: 24
約数和(自身を含む): 31449600
約数和(自身を除く): 11329461

約数列:
[1, 3, 9, 13, 39, 117, 383, 449, 1149, 1347, 3447, 4041, 4979, 5837, 14937, 17511, 44811, 52533, 171967, 515901, 1547703, 2235571, 6706713, 20120139]

約数ペア:
[(1, 20120139), (3, 6706713), (9, 2235571), (13, 1547703), (39, 515901), (117, 171967), (383, 52533), (449, 44811), (1149, 17511), (1347, 14937), (3447, 5837), (4041, 4979)]

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