About the Number

20386290

20386289 ← → 20386291

2進数表記:1001101110001000111110010

漢数字表記:二千三十八万六千二百九十

素因数分解:

2 1 × 3 1 × 5 1 × 331 1 × 2053 1

素因数の和:2394
約数の個数: 32
約数和(自身を含む): 49098816
約数和(自身を除く): 28712526

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 331, 662, 993, 1655, 1986, 2053, 3310, 4106, 4965, 6159, 9930, 10265, 12318, 20530, 30795, 61590, 679543, 1359086, 2038629, 3397715, 4077258, 6795430, 10193145, 20386290]

約数ペア:
[(1, 20386290), (2, 10193145), (3, 6795430), (5, 4077258), (6, 3397715), (10, 2038629), (15, 1359086), (30, 679543), (331, 61590), (662, 30795), (993, 20530), (1655, 12318), (1986, 10265), (2053, 9930), (3310, 6159), (4106, 4965)]

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