About the Number

2020388517

2020388516 ← → 2020388518

2進数表記:1111000011011001010111010100101

漢数字表記:二十億二千三十八万八千五百十七

素因数分解:

3 2 × 7 1 × 23 1 × 127 1 × 10979 1

素因数の和:11142
約数の個数: 48
約数和(自身を含む): 3507978240
約数和(自身を除く): 1487589723

約数列:
[1, 3, 7, 9, 21, 23, 63, 69, 127, 161, 207, 381, 483, 889, 1143, 1449, 2667, 2921, 8001, 8763, 10979, 20447, 26289, 32937, 61341, 76853, 98811, 184023, 230559, 252517, 691677, 757551, 1394333, 1767619, 2272653, 4182999, 5302857, 9760331, 12548997, 15908571, 29280993, 32069659, 87842979, 96208977, 224487613, 288626931, 673462839, 2020388517]

約数ペア:
[(1, 2020388517), (3, 673462839), (7, 288626931), (9, 224487613), (21, 96208977), (23, 87842979), (63, 32069659), (69, 29280993), (127, 15908571), (161, 12548997), (207, 9760331), (381, 5302857), (483, 4182999), (889, 2272653), (1143, 1767619), (1449, 1394333), (2667, 757551), (2921, 691677), (8001, 252517), (8763, 230559), (10979, 184023), (20447, 98811), (26289, 76853), (32937, 61341)]

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