About the Number

20131908

20131907 ← → 20131909

2進数表記:1001100110011000001000100

漢数字表記:二千十三万千九百八

素因数分解:

2 2 × 3 1 × 71 1 × 23629 1

素因数の和:23707
約数の個数: 24
約数和(自身を含む): 47638080
約数和(自身を除く): 27506172

約数列:
[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 23629, 47258, 70887, 94516, 141774, 283548, 1677659, 3355318, 5032977, 6710636, 10065954, 20131908]

約数ペア:
[(1, 20131908), (2, 10065954), (3, 6710636), (4, 5032977), (6, 3355318), (12, 1677659), (71, 283548), (142, 141774), (213, 94516), (284, 70887), (426, 47258), (852, 23629)]

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