About the Number

20772381

20772380 ← → 20772382

2進数表記:1001111001111011000011101

漢数字表記:二千七十七万二千三百八十一

素因数分解:

3 1 × 7 1 × 23 1 × 29 1 × 1483 1

素因数の和:1545
約数の個数: 32
約数和(自身を含む): 34191360
約数和(自身を除く): 13418979

約数列:
[1, 3, 7, 21, 23, 29, 69, 87, 161, 203, 483, 609, 667, 1483, 2001, 4449, 4669, 10381, 14007, 31143, 34109, 43007, 102327, 129021, 238763, 301049, 716289, 903147, 989161, 2967483, 6924127, 20772381]

約数ペア:
[(1, 20772381), (3, 6924127), (7, 2967483), (21, 989161), (23, 903147), (29, 716289), (69, 301049), (87, 238763), (161, 129021), (203, 102327), (483, 43007), (609, 34109), (667, 31143), (1483, 14007), (2001, 10381), (4449, 4669)]

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