About the Number

20402495

20402494 ← → 20402496

2進数表記:1001101110101000100111111

漢数字表記:二千四十万二千四百九十五

素因数分解:

5 1 × 23 1 × 31 1 × 59 1 × 97 1

素因数の和:215
約数の個数: 32
約数和(自身を含む): 27095040
約数和(自身を除く): 6692545

約数列:
[1, 5, 23, 31, 59, 97, 115, 155, 295, 485, 713, 1357, 1829, 2231, 3007, 3565, 5723, 6785, 9145, 11155, 15035, 28615, 42067, 69161, 131629, 177413, 210335, 345805, 658145, 887065, 4080499, 20402495]

約数ペア:
[(1, 20402495), (5, 4080499), (23, 887065), (31, 658145), (59, 345805), (97, 210335), (115, 177413), (155, 131629), (295, 69161), (485, 42067), (713, 28615), (1357, 15035), (1829, 11155), (2231, 9145), (3007, 6785), (3565, 5723)]

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