About the Number

20264390

20264389 ← → 20264391

2進数表記:1001101010011010111000110

漢数字表記:二千二十六万四千三百九十

素因数分解:

2 1 × 5 1 × 31 1 × 131 1 × 499 1

素因数の和:668
約数の個数: 32
約数和(自身を含む): 38016000
約数和(自身を除く): 17751610

約数列:
[1, 2, 5, 10, 31, 62, 131, 155, 262, 310, 499, 655, 998, 1310, 2495, 4061, 4990, 8122, 15469, 20305, 30938, 40610, 65369, 77345, 130738, 154690, 326845, 653690, 2026439, 4052878, 10132195, 20264390]

約数ペア:
[(1, 20264390), (2, 10132195), (5, 4052878), (10, 2026439), (31, 653690), (62, 326845), (131, 154690), (155, 130738), (262, 77345), (310, 65369), (499, 40610), (655, 30938), (998, 20305), (1310, 15469), (2495, 8122), (4061, 4990)]

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