About the Number

20984873

20984872 ← → 20984874

2進数表記:1010000000011010000101001

漢数字表記:二千九十八万四千八百七十三

素因数分解:

7 1 × 13 1 × 19 1 × 53 1 × 229 1

素因数の和:321
約数の個数: 32
約数和(自身を含む): 27820800
約数和(自身を除く): 6835927

約数列:
[1, 7, 13, 19, 53, 91, 133, 229, 247, 371, 689, 1007, 1603, 1729, 2977, 4351, 4823, 7049, 12137, 13091, 20839, 30457, 56563, 84959, 91637, 157781, 230603, 395941, 1104467, 1614221, 2997839, 20984873]

約数ペア:
[(1, 20984873), (7, 2997839), (13, 1614221), (19, 1104467), (53, 395941), (91, 230603), (133, 157781), (229, 91637), (247, 84959), (371, 56563), (689, 30457), (1007, 20839), (1603, 13091), (1729, 12137), (2977, 7049), (4351, 4823)]

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