About the Number

118900020

118900019 ← → 118900021

2進数表記:111000101100100010100110100

漢数字表記:一億千八百九十万二十

素因数分解:

2 2 × 3 1 × 5 1 × 1981667 1

素因数の和:1981679
約数の個数: 24
約数和(自身を含む): 332920224
約数和(自身を除く): 214020204

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1981667, 3963334, 5945001, 7926668, 9908335, 11890002, 19816670, 23780004, 29725005, 39633340, 59450010, 118900020]

約数ペア:
[(1, 118900020), (2, 59450010), (3, 39633340), (4, 29725005), (5, 23780004), (6, 19816670), (10, 11890002), (12, 9908335), (15, 7926668), (20, 5945001), (30, 3963334), (60, 1981667)]

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