About the Number

1320242920

1320242919 ← → 1320242921

2進数表記:1001110101100010100111011101000

漢数字表記:十三億二千二十四万二千九百二十

素因数分解:

2 3 × 5 1 × 1993 1 × 16561 1

素因数の和:18565
約数の個数: 32
約数和(自身を含む): 2972216520
約数和(自身を除く): 1651973600

約数列:
[1, 2, 4, 5, 8, 10, 20, 40, 1993, 3986, 7972, 9965, 15944, 16561, 19930, 33122, 39860, 66244, 79720, 82805, 132488, 165610, 331220, 662440, 33006073, 66012146, 132024292, 165030365, 264048584, 330060730, 660121460, 1320242920]

約数ペア:
[(1, 1320242920), (2, 660121460), (4, 330060730), (5, 264048584), (8, 165030365), (10, 132024292), (20, 66012146), (40, 33006073), (1993, 662440), (3986, 331220), (7972, 165610), (9965, 132488), (15944, 82805), (16561, 79720), (19930, 66244), (33122, 39860)]

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