About the Number

20138506815

20138506814 ← → 20138506816

2進数表記:10010110000010110010011101000111111

漢数字表記:二百一億三千八百五十万六千八百十五

素因数分解:

3 1 × 5 1 × 7 2 × 27399329 1

素因数の和:27399351
約数の個数: 24
約数和(自身を含む): 37482283440
約数和(自身を除く): 17343776625

約数列:
[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27399329, 82197987, 136996645, 191795303, 410989935, 575385909, 958976515, 1342567121, 2876929545, 4027701363, 6712835605, 20138506815]

約数ペア:
[(1, 20138506815), (3, 6712835605), (5, 4027701363), (7, 2876929545), (15, 1342567121), (21, 958976515), (35, 575385909), (49, 410989935), (105, 191795303), (147, 136996645), (245, 82197987), (735, 27399329)]

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