About the Number

20121388343

20121388342 ← → 20121388344

2進数表記:10010101111010101000000010100110111

漢数字表記:二百一億二千百三十八万八千三百四十三

素因数分解:

7 1 × 17 1 × 67 1 × 223 1 × 11317 1

素因数の和:11631
約数の個数: 32
約数和(自身を含む): 24824991744
約数和(自身を除く): 4703603401

約数列:
[1, 7, 17, 67, 119, 223, 469, 1139, 1561, 3791, 7973, 11317, 14941, 26537, 79219, 104587, 192389, 253997, 758239, 1346723, 1777979, 2523691, 5307673, 12890063, 17665837, 42902747, 90230441, 169087297, 300319229, 1183611079, 2874484049, 20121388343]

約数ペア:
[(1, 20121388343), (7, 2874484049), (17, 1183611079), (67, 300319229), (119, 169087297), (223, 90230441), (469, 42902747), (1139, 17665837), (1561, 12890063), (3791, 5307673), (7973, 2523691), (11317, 1777979), (14941, 1346723), (26537, 758239), (79219, 253997), (104587, 192389)]

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