About the Number

20728974

20728973 ← → 20728975

2進数表記:1001111000100110010001110

漢数字表記:二千七十二万八千九百七十四

素因数分解:

2 1 × 3 1 × 7 1 × 47 1 × 10501 1

素因数の和:10560
約数の個数: 32
約数和(自身を含む): 48393216
約数和(自身を除く): 27664242

約数列:
[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 10501, 21002, 31503, 63006, 73507, 147014, 220521, 441042, 493547, 987094, 1480641, 2961282, 3454829, 6909658, 10364487, 20728974]

約数ペア:
[(1, 20728974), (2, 10364487), (3, 6909658), (6, 3454829), (7, 2961282), (14, 1480641), (21, 987094), (42, 493547), (47, 441042), (94, 220521), (141, 147014), (282, 73507), (329, 63006), (658, 31503), (987, 21002), (1974, 10501)]

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