About the Number

20988528040

20988528039 ← → 20988528041

2進数表記:10011100011000000111000010110101000

漢数字表記:二百九億八千八百五十二万八千四十

素因数分解:

2 3 × 5 1 × 1217 1 × 431153 1

素因数の和:432381
約数の個数: 32
約数和(自身を含む): 47263101480
約数和(自身を除く): 26274573440

約数列:
[1, 2, 4, 5, 8, 10, 20, 40, 1217, 2434, 4868, 6085, 9736, 12170, 24340, 48680, 431153, 862306, 1724612, 2155765, 3449224, 4311530, 8623060, 17246120, 524713201, 1049426402, 2098852804, 2623566005, 4197705608, 5247132010, 10494264020, 20988528040]

約数ペア:
[(1, 20988528040), (2, 10494264020), (4, 5247132010), (5, 4197705608), (8, 2623566005), (10, 2098852804), (20, 1049426402), (40, 524713201), (1217, 17246120), (2434, 8623060), (4868, 4311530), (6085, 3449224), (9736, 2155765), (12170, 1724612), (24340, 862306), (48680, 431153)]

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